ICOME
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Welcome to ICOME Quiz Corner

Q1. If f(x) = 4x2 - 24, then find

(a) 20 (b) 22 (c) 23 (d) 24

Answer.
(d) 24
Answer

Q2. Find
(a) 2 (b) 3 (c) 1 (d) 4

Answer.
(c) 1
Answer

Q3. Find
(a) 1/e (b) 1 (c) e (d)2

Answer.
(c) 1
Answer

Q4. If y = xx, find dy/dx at x = 1
(a) 1 (b) 2 (c) 3 (d) 4

Answer.
(a) 1
Answer

Q5. Find dy/dx, If y = 2logx√x .
(a) 1 (b) 2 (c) 0 (d) 3

Answer.
(c) 0
Answer

Q6. If f(x)= y = sin-1 (
6x / 1 + 9x2
), find f '(1) .
(a) 3/5 (b) 1/5 (c) 3 (d) 5

Answer.
(a) 3/5
Answer

Q7. For the interval (π/2, π) function y = log cosx is .
(a) Decreasing (b) Increasing (c) Constant (d) Can't say

Answer.
(b) Increasing
Answer

Q8. Find
dy / dx
, If y = log3(log x)
(a) log x (b)
1 / log x . log 3
(c)
1 / xlog3 logx
(d) log3

Answer.
(c)
1 / xlog3 logx
Answer

Q9. The attitude of right circular cone of maximum volume that can be inscribed in a sphere of radius r is ______

(a) 5r/6 (b) 6r/5 (c) 4r/3 (d) 3r/2

Answer.
(c) 4r/3
Answer

Q10. Find the maximum value of the function y = sin x + cos x .

(a) 1 (b) 2 (c) 3 (d) √2

Answer.
(d) √2
Answer