Here I am giving you question paper for CBSE 12th Commerce mathematics Question papers in PDF file attached with it so you can get it easily.

4. A class consists of 10 boys and 8 girls. Three students are selected at random.
Find the probability that the selected group has
(i) all boys,
(ii) all girls,
(iii) 2 boys and 1 girl.

7. Form the differential equation representing the family of curves , a x ay 2 y 2 2 2 = + −
where a is an arbitrary constant.
8. Solve the following differential equation :

13. The surface area of a spherical bubble is increasing at the rate of 2 cm2/sec.
Find the rate at which the volume of the bubble is increasing at the instant its
radius is 6 cm.

Attached Files

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