This is the BHEL Supervisor Trainee Exam Electrical Previous years Question Paper:

1. A certain type of mixture is prepared by mixing brand A at Rs.9 a kg. with brand B at Rs.4 a kg. If the mixture is worth Rs.7 a kg., how many kgs. of brand A are needed to make 40kgs. of the mixture?
Ans. Brand A needed is 24kgs.

2. A wizard named Nepo says “I am only three times my son’s age. My father is 40 years more than twice my age. Together the three of us are a mere 1240 years old.” How old is Nepo?
Ans. 360 years old.

3. One dog tells the other that there are two dogs in front of me. The other one also shouts that he too had two behind him. How many are they?
Ans. Three.

4. A man ate 100 bananas in five days, each day eating 6 more than the previous day. How many bananas did he eat on the first day?
Ans. Eight.

5. If it takes five minutes to boil one egg, how long will it take to boil four eggs?
Ans. Five minutes.

6. Three containers A, B and C have volumes a, b, and c respectively; and container A is full of water while the other two are empty. If from container A water is poured into container B which becomes 1/3 full, and into container C which becomes 1/2 full, how much water is left in container A?

7. ABCE is an isosceles trapezoid and ACDE is a rectangle. AB = 10 and EC = 20. What is the length of AE?
Ans. AE = 10.

8. In the given figure, PA and PB are tangents to the circle at A and B respectively and the chord BC is parallel to tangent PA. If AC = 6 cm, and length of the tangent AP is 9 cm, then what is the length of the chord BC?
Ans. BC = 4 cm.

9 Three cards are drawn at random from an ordinary pack of cards. Find the probability that they will consist of a king, a queen and an ace.
Ans. 64/2210.

10. A number of cats got together and decided to kill between them 999919 mice. Every cat killed an equal number of mice. Each cat killed more mice than there were cats. How many cats do you think there were ?
Ans. 991.

11. If Log2 x – 5 Log x + 6 = 0, then what would the value / values of x be?
Ans. x = e2 or e3.

12. The square of a two digit number is divided by half the number. After 36 is added to the quotient, this sum is then divided by 2. The digits of the resulting number are the same as those in the original number, but they are in reverse order. The ten’s place of the original number is equal to twice the difference between its digits. What is the number?
Ans. 46

13.Can you tender a one rupee note in such a manner that there shall be total 50 coins but none of them would be 2 paise coins.?
Ans. 45 one paisa coins, 2 five paise coins, 2 ten paise coins, and 1 twenty-five paise coins.

14.A monkey starts climbing up a tree 20ft. tall. Each hour, it hops 3ft. and slips back 2ft. How much time would it take the monkey to reach the top?
Ans.18 hours.

15. What is the missing number in this series? 8 2 14 6 11 ? 14 6 18 12
Ans. 9

16. The minute hand of a clock overtakes the hour hand at intervals of 64 minutes of correct time. How much a day does the clock gain or lose?
Ans. 32 8/11 minutes.

17. Solve for x and y: 1/x – 1/y = 1/3, 1/x2 + 1/y2 = 5/9.
Ans. x = 3/2 or -3 and y = 3 or -3/2.

18. Daal is now being sold at Rs. 20 a kg. During last month its rate was Rs. 16 per kg. By how much percent should a family reduce its consumption so as to keep the expenditure fixed?
Ans. 20 %.

19. Find the least value of 3x + 4y if x2y3 = 6.
Ans. 10.

20. Can you find out what day of the week was January 12, 1979?
Ans. Friday.

21. A garrison of 3300 men has provisions for 32 days, when given at a rate of 850 grams per head. At the end of 7 days a reinforcement arrives and it was found that now the provisions will last 8 days less, when given at the rate of 825 grams per head. How, many more men can it feed?
Ans. 1700 men.

22. From 5 different green balls, four different blue balls and three different red balls, how many combinations of balls can be chosen taking at least one green and one blue ball?
Ans. 3720.

23. Three pipes, A, B, & C are attached to a tank. A & B can fill it in 20 & 30 minutes respectively while C can empty it in 15 minutes. If A, B & C are kept open successively for 1 minute each, how soon will the tank be filled?
Ans. 167 minutes.

24. A person walking 5/6 of his usual rate is 40 minutes late. What is his usual time?
Ans. 3 hours 20 minutes.

25. Mr. Shah decided to walk down the escalator of a tube station. He found that if he walks down 26 steps, he requires 30 seconds to reach the bottom. However, if he steps down 34 stairs he would only require 18 seconds to get to the bottom. If the time is measured from the moment the top step begins to descend to the time he steps off the last step at the bottom, find out the height of the stair way in steps?
Ans.46 steps



1. What should come in the place of (?) in the given series?
ACE, FGH, ?, PON
(A) KKK
(B) JKI
(C) HJH
(D) IKL
Ans. (A)

2. Typist : Typewriter : : Writer: ?
(A) Script
(B) Pen
(C) Paper
(D) Book
Ans. (B)

3. Paint: Artist : : Wood: ?
(A) Furniture
(B) Forest
(C) Fire
(D) Carpenter
Ans. (D)

4. acme : mace :: alga: ?
(A) glaa
(B) gaal
(C) laga
(D) gala
Ans. (D)

5. EIGHTY : GIEYTH : : OUTPUT:?
(A) UTOPTU
(B) UOTUPT
(C) TUOUTP
(D) TUOTUP
Ans. (D)

6. ‘Medicine’ is related to ‘Patient’ in the same way as ‘Education’ is related to—
(A) Teacher
(B) School
(C) Student
(D) Tuition
Ans. (C)

7. Fill in the missing letter in the following series—
S, V, Y, B, ?
(A) C
(B) D
(C) E
(D)G
Ans. (C)

8. What should come in the place of question mark in the following series?
3, 8, 6, 14, ?, 20
(A) 11
(B) 10
(C) 8
(D) 9
Ans. (D)

9. Select the correct option in place of the question mark.
AOP, CQR, EST, GUV, ?
(A) IYZ
(B) HWX
(C) IWX
(D) JWX
Ans. (C)

10. What should come in the place of question mark in the following series?
1, 4, 9, 25, 36, ?
(A) 48
(C) 52
(B) 49
(D) 56
Ans. (B)

Directions—(Q. 11 to 14): Select the one which is different from the other three.
11. (A) Bokaro
(B) Jamshedpur
(C) Bhilai
(D) Agra
Ans. (D)

12. (A) January
(B) February
(C) July
(D) December
Ans. (B)

13. (A) Bible
(B) Panchsheel
(C) Geeta
(D) Quran
Ans. (B)

14. (A) Star
(B) Sun
(C) Sky
(D) Moon
Ans. (C)

Directions—(Q. 15 to 17): based on alphabets.
15. If the sequence of the alphabets is reversed which of the following would be the 14th letter from your left?
(A) N
(B) L
(C) O
(D) None of these
Ans. (D)

16. Which letter is the 8th letter to the right of the letter, which is 12th from the left?
(A) V
(B) T
(C) W
(D) Y
Ans. (B)
17. Which letter is the 8th letter to the right of the letter which is 10th to the left of the last but one letter from the right?
(A) V
(B) X
(C) W
(D) I
Ans. (C)

Directions—(Q. 18 to 23) Three of the following four are alike in a certain way and so form a group. Which is the one that does not belong to that group?
18. (A) Green
(B) Red
(C) Colour
(D) Orange
Ans. (C)

19. (A) Rabbit
(B) Crocodile
(C) Earthworm
(D) Snail
Ans. (A)

20. (A) Polo
(B) Chess
(C) Ludo
(D) Carrom
Ans. (A)

21. (A) Sun
(B) Universe
(C) Moon
(D) Star
Ans. (B)

22. (A) Cheese
(B) Milk
(C) Curd
(D) Ghee
Ans. (B)

23. (A) Carrot
(B) Radish
(C) Potato
(D) Brinjal
Ans. (D)

24. In a certain code ‘CONTRIBUTOR’ is written as ‘RTNOCIROTUB’. How is ‘prohibition’ written in that code?
(A) NOITIBIHORP
(B) IHORPBITION
(C) ITIONBIHOTP
(D) IHORPBNOITI
Ans. (D)

25. If ‘CAT’ and ‘BOAT’ are written as XZG and ‘YLZG’ respectively in a code language how is ‘EGG’ to be written in the same language?
(A) VSS
(B) URR
(C) VTT
(D) UTF
Ans. (C)

26. In a code language SINGER is written as AIBCED then GINGER will be written in the same code as—
(A) CBIECD
(B) CIBCED
(C) CBICED
(D) CIBECD
Ans. (B)

27. If BAT is coded as 283, CAT is coded as 383 and ARE is coded as 801, then the code for BETTER is—
(A) 213310
(B) 213301
(C) 123301
(D) 012334
Ans. (A)

28. If water is called black, black is called tree, tree is called blue, blue is called rain, rain is called pink and pink is called fish in a certain language then what is the colour of sky called in that language?
(A) Blue
(B) Fish
(C) Rain
(D) Pink
Ans. (C)

29. A man walks 3 km northwards and then turns left and goes 2 km. He again turns left and goes 3 km. He turns right and walks straight. In which direction he is walking now?
(A) East
(B) West
(C) North
(D) South
Ans. (B)

30. One morning after sunrise Vikram and Shailesh were standing in a lawn with their back towards each other. Vikram’s shadow fell exactly towards left-hand side. Which direction Shailesh was facing?
(A) East
(B) West
(C) North
(D) South
Ans. (D)

31. Nageena is taller than Pushpa but not as tall as Manish. Rama is taller than Namita but not as tall as Pushpa. Who among them is the tallest?
(A) Manish
(B) Pushpa
(C) Namita
(D) Nageena
Ans. (A)

32. In an examination Raj got more marks than Moti but not as many as Meena. Meena got more marks than Ganesh and Rupali. Ganesh got less marks than Moti but his marks are not the lowest in the group. Who is second in the descending order of marks?
(A) Meena
(B) Rupali
(C) Raj
(D) None of these
Ans. (C)

33. Pointing to a photograph of a girl, Rajan said “She has no sister or daughter but her mother is the only daughter of my mother.” How is the girl in the photograph related with Rajan’s mother?
(A) Sister in law
(B) Grand daughter
(C) Daughter in law
(D) None of these
Ans. (B)

34. If Amit’ s father is Billoo’ s father’s only son and Billoo has neither a brother nor a daughter. What is the relationship between Amit and Billoo?
(A) Uncle—Nephew
(B) Father—Daughter
(C) Father—Son
(D) Grandfather—Grandson
Ans. (C)

35. An application was received by inward clerk in the afternoon of a weekday. Next day he forwarded it to the table of the senior clerk, who was on leave that day. The senior clerk next day evening put up the application to the desk officer. Desk officer studied the application and disposed off the matter on the same day, i.e., Friday. Which day the application was received by the inward clerk?
(A) Tuesday
(B) Earlier week’s Saturday
(C) Wednesday
(D) Monday
Ans. (C)

36. Flight to Mumbai leaves every 5 hours. At the information counter I learnt that the flight took off 25 minutes before. If the time now is 10 : 45 a.m., what is the time for the next flight?
(A) 2 : 20 a.m.
(B) 3 : 30 a.m.
(C) 3 : 55 p.m.
(D) 3 : 20 p.m.
Ans. (D)

37. Babloo ranked 16th from the top and 29th from the bottom among those who passed an examination. 6 boys did not participate in the competition and 5 failed in the examination. How many boys were there in the class?
(A) 44
(B) 40
(C) 50
(D) 55
Ans. (D)

38. Indra is 7th from the left and Jaya is 5th from the right. When they interchange their position Jaya becomes 19th from the right. What is Indra’s position from the left?
(A) 21st
(B) 19th
(C) 23rd
(D) 20th
Ans. (D)

39. How many 5’s are in the following sequence of numbers which are immediately preceded by 7?
8 9 5 3 2 5 3 8 5 5 6 8 7 3 3 5 7 7 5 3 6 5 3 3 5 7 3 8
(A) One
(B) Two
(C) Three
(D) Four
Ans. (A)

40. How many 8’s are there in the following sequence which are immediately preceded by 6 but not immediately followed by 5?
6 8 5 7 8 5 4 3 6 8 1 9 8 5 4 6 8 2 9 6 8 1 3 6 8 5 3 6
(A) One
(B) Two
(C) Three
(D) Four
Ans. (C)

41. If EARTHQUAKE is coded as MOGPENJOSM then EQUATE will be coded as—
(A) MENOPM
(B) MENOMP
(C) NJOGPM
(D) MNJOPM
Ans. (D)

42. If COUNTRY is coded in certain way as EMWLVPA, ELECTORATE will be coded
in the same manner as—
(A) CJCEFQPYWC
(B) CJGERQTYVG
(C) CNCERQPCRG
(D) GJGAVMTYVC
Ans. (D)

43. ‘Air’ is to ‘Bird’ as ‘Water’ is to ……..
(A) Drink
(B) Fish
(C) Wash
(D) Swim
Ans. (B)

44. ‘Pencil’ is to ‘Write’ as ‘Knife’ is to ………
(A) Injure
(B) Peel
(C) Prick
(D) Attack
Ans. (B)

45. Mohan is 18th from either end of a row of boys ? How many boys are there in that row?
(A) 26
(B) 32
(C) 24
(D) 35
Ans. (D)

46. In a class of 60 where boys are twice that of girls, Ramya ranked 17th from the top. If there are 9 boys ahead of Ramya, how many girls are after her in the rank?
(A) 26
(B) 12
(C) 10
(D) 33
Ans. (B)

47. ‘Soldier’ is related to ‘Army’ in the same way as ‘Pupil’ is related to …….
(A) Education
(B) Teacher
(C) Student
(D) Class
Ans. (D)

48. ‘Kilogram’ is related to ‘Quintal’ in the same way as ‘Paisa’ is related to………
(A) Coin
(B) Money
(C) Cheque
(D) Rupee
Ans. (D)

49. ‘Stammering’ is to ‘Speech’ as Deafness is to …………
(A) Ear
(B) Hearing
(C) Noise
(D) Commotion
Ans. (B)

50. ‘Guilt’ is to ‘Past’ as ‘Hope’ is to …………
(A) Present
(B) Future
(C) Today
(D) Hopeless
Ans. (B)

1. He went to the library ……… to find that it was closed.
(A) seldom
(B) never
(C) only
(D) solely
Ans : (C)

2. The ties that bind us together in common activity are so ………that they can disappear at any moment.
(A) tentative
(B) tenuous
(C) consistent
(D) restrictive
Ans : (B)

3. Her reaction to his proposal was ………. She rejected it ……….
(A) inevitable–vehemently
(B) subtle–violently
(C) clever–abruptly
(D) sympathetic–angrily
Ans : (A)

4. His ……… directions misled us we did not know which of the two roads to take.
(A) complicated
(B) ambiguous
(C) narrow
(D) fantastic
Ans : (B)

5. It would be difficult for one so ……… to believe that all men are equal irrespective of caste, race and religion.
(A) emotional
(B) democratic
(C) intolerant
(D) liberal
Ans : (C)

Directions—(Q. 6–10) In each of the following sentences four words or phrases have been bold. Only one bold part in each sentence is not accepted in standard English. Identify that part and mark its letter (A), (B), (C) or (D) in your as answer.

6. Gaze for a thing (A) that are not (B) available easily (C) in the country is a universal phenomenon. (D)
Ans : (B)

7. It is foolish to be expecting (A) one person to be like another (B) person, for (C) each individual is born (D) with his characteristics traits.
Ans : (A)

8. The tendency to believe (A) that (B) man is inherently dishonest is something (C) that will be decried. (D)
Ans : (D)

9. I have not come across very (A) few (B) people who (C) think of thing beyond (D) their daily work.
Ans : (B)

10. He managed to board (A) the running train (B) but all his luggages (C) was (D) left on the station.
Ans : (C)

Directions—(Q. 11–15) Select the pair of words which are related in the same way as the capitalised words are related to each other.

11. SCALES : JUSTICE : :
(A) Weights : Measures
(B) Laws : Courts
(C) Torch : Liberty
(D) Launch : Peace
Ans : (C)

12. HOBBLE : WALK : :
(A) Gallop : Run
(B) Stammer : Speak
(C) Stumble : Fall
(D) Sniff : Smell
Ans : (B)

13. FRAYED : FABRIC : :
(A) Watered : Lawn
(B) Renovated : Building
(C) Thawed : Ice
(D) Worn : Nerves
Ans : (D)

14. YOLK : EGG : :
(A) Rind : Melon
(B) Nucleus : Cell
(C) Stalk : Corn
(D) Web : Spider
Ans : (B)

15. BAMBOO : SHOOT : :
(A) Bean : Sprout
(B) Pepper : Corn
(C) Oak : Tree
(D) Holly : Sprig
Ans : (A)

Directions—(Q. 16–20) For each of the following capitalized words, four words or phrases are given of which only one is synonymous with the given word. Select the synonym.

16. DEFER
(A) Respect
(B) Dislike
(C) Postpone
(D) Disrespect
Ans : (C)

17. DUBIOUS
(A) Clear
(B) Undoubtedly
(C) Hesitant
(D) Doubtful
Ans : (D)

18. COARSE
(A) Impolite
(B) Rough
(C) Polished
(D) Improper
Ans : (B)

19. PROXIMITY
(A) Nearness
(B) Aloofness
(C) Completely
(D) Nearly
Ans : (A)

20. ABSTAIN
(A) Stay
(B) Tempt
(C) Refrain
(D) Pardon
Ans : (C)

Directions—(Q. 21–25) Fill in blanks by selecting appropriate alternative.

21. I met him only a week ……….
(A) back
(B) past
(C) ago
(D) previous
Ans : (C)

22. Lovey asked me ……….
(A) why are you angry ?
(B) why I am angry ?
(C) why I was angry ?
(D) why was I angry ?
Ans : (C)

23. Even after repeated warnings, he ……… to office on time.
(A) never come
(B) never comes
(C) is never coming
(D) have never come
Ans : (B)

24. He told his wife that ……… from Germany.
(A) he will like to visit France
(B) he was liking to visit France
(C) he would like to visit France
(D) he is liking to visit France
Ans : (C)

25. Some people can ……… even with murder.
(A) get on
(B) get out
(C) get off
(D) get away
Ans : (D)

Directions—(Q. 26–30) Choose the correct antonym from the choises for each of the following capitalised words—

26. INDIFFERENT
(A) Curious
(B) Varied
(C) Alike
(D) Uniform
Ans : (A)

27. DISCREET
(A) Wise
(B) Diplomatic
(C) Prudent
(D) Careless
Ans : (D)

28. OBSOLETE
(A) Free
(B) Ancient
(C) Current
(D) Cultured
Ans : (C)

29. RATIONAL
(A) Sound
(B) Insane
(C) Judicious
(D) Sensible
Ans : (B)

30. SCEPTICAL
(A) Doubtful
(B) Convinced
(C) Questioning
(D) Cinic
Ans : (B)