As you asking I am providing TNPSC exam mental ability subject questions paper with answers,



1. Find the next letter of the following series : M,T,W,T,F,............

(A) A

(B) B

(C) S

(D) H

Answer: (C) S

Detail:

M-Monday

T-Tuesday

W-Wednesday

T-Thursday

F-Friday

S-Saturday





2. Find The Next Number in the series 1 , 2 , 3 , 6 , 12 , 24 , 48 , ?

(A) 64

(B) 78

(C) 90

(D) 96

Answer: (D) 96

Detail:

1+2=3

3+2+1=6

6+3+2+1=12

12+6+3+2+1=24

24+12+6+3+2+1=48

48+24+12+6+3+2+1=96





3. Find The Next Number In The Series 2, 5, 8, 11,14, ?

(A) 19

(B) 20

(C) 17

(D) 23

Answer: (C) 17

Detail:

2+3=5

5+3=8

8+3=11

11+3=14

14+3=17





4. 5:7::x:336 x=?

(A) 220

(B) 160

(C) 120

(D) 260

Answer: (C) 120

Detail:

5*5*5 =125

(5*5*5)-5 =120



7*7*7 =343

(7*7*7)-7 =336





5. Find The Next Number In The Series 8, 7, 16, 5, 32, 3, 64, 1, 128, (?)

(A) 18

(B) 13

(C) -1

(D) -3

Answer: (C) -1

Detail:

Combination of two series

8, 16, 32, 64, 128,

7, 5, 3, 1, ?

-1





6. Find The Next Number in the series 2, 2, 4, 12, 48, ___

(A) 12

(B) 78

(C) 240

(D) 120

Answer: (C) 240

Detail:

2*1=2

2*2=4

4*3=12

12*4=48

48*5=240





7. Find out the missing Number : 7, 13, 21,......,43, 57

(A) 27

(B) 31

(C) 29

(D) 35

Answer: (B) 31

Detail:

7+6=13

13+8=21

21+10=31

31+12=43

43+14=57





8. Find out the missing Number : 16, 33, 65, 131, (?), 523

(A) 261

(B) 521

(C) 613

(D) 721

Answer: (A) 261

Detail:

16 × 2 + 1 = 33

33 × 2 – 1 = 65

65 × 2 + 1 = 131

131 × 2 – 1= 261





9. Find out the missing Number : 5, 2, 17, 4, (?), 6, 47, 8, 65

(A) 29

(B) 30

(C) 31

(D) 32

Answer: (C) 31

Detail:

Series consists two rules

Ist is 2, 4, 6, 8, ....

IInd is 5 + 12 = 17

17 + 14 = 31

31 + 16 = 47

47 + 18 = 65





10. Find out the missing Number : 1, 2, 4, 8, (?), 32

(A) 29

(B) 30

(C) 31

(D) 32

Answer: (C) 31

Attached Files

TNPSC exam mental ability subject questions paper.pdf (2.86 MB, 118 views)