2 C 4027
7. Making allowances for the effect of changing price levels is called :
(a) Splicing. (0) Deflating.
(c) Base shifting. (d) None of these.
8. Crude Birth Rate mainly depends on :
(a) Male population. (b) No. of children.

(c) Female population of age 15-49. (प) Total female population.
9. The relation between general reproduction rate and net reproduction rate is :

(a) NRRGRR.

(c) NRR/GRR>1 (6) GRR/NRR=0:
10. For any two events A and B, P (A) — P (B) is:

(a) 6௩௫. ®) ೫(%೧ ೫).

(०७ (൭൨ 8). (൫) (൭൨8).

11. If A and B are two independent events then P (A/B) is :

ए(& 098)
(a) PA). (b) P(A) -
P(A 6 B)
൭) 2 ൬. (d) ರ್ಕ:
12. In tossing a coin probability of getting head is twice the probability of getting tail, then probability
of head is:
1 =
(a) 0.2. (b) 3° J
(c) ತ ۰ (d) 0.3

(12 x % = 6 merks)

Part B (Very short answer questions) ‘
: Answer any ten questions.

13. Find the derivative of y = 3x? (2x — 5) with respect to x.

14. Define marginal function.

15. For the cost function c (x) = 3x? + 2x, find the marginal cost for an output of 4 units.