Maths - Online Test
Q1. (n-1)Cr +(n-1) C(r-1) is
Answer : Option C
Explaination / Solution:
Q2. If A and B are two events such that P(A) = P ( B)
= and P ( B / A) = 0.6 , then P ( 
∩ B) is
∩ B) is
Answer : Option C
Explaination / Solution:
Q3. The coefficient of x5 in the series e-2x is
Answer : Option C
Explaination / Solution:
Q4. The y-intercept of the straight line passing through (1,3) and perpendicular to 2x - 3y + 1 = 0 is
Answer : Option B
Explaination / Solution:
Q5. If x1
, x2 , x3 as well as y1 , y 2 , y3
are in geometric progression with the same common ratio, then the points (x1
, y1 ), (x2 , y2 ), (x3 , y3)
are
Answer : Option D
Explaination / Solution:
Q6. If | 
|= 13,| 
|= 5 and ⋅ = 60° then | × | is
|= 13,| |= 5 and ⋅ = 60° then | × | is
Answer : Option D
Explaination / Solution:
Q7. The function f
: [0, 2π] → [-1, 1] defined by f(x) = sin x is
Answer : Option B
Explaination / Solution:
Q8. The value of 
is
is
Answer : Option D
Explaination / Solution:
No Explaination.
Q9. The number of roots of (x + 3)4 + (x +
5)4 = 16 is
Answer : Option A
Explaination / Solution:
Q10. If g (x) = (x2 + 2x + 3) f (x)
and f (0) = 5 and 
, then g '(0) is
, then g '(0) is
Answer : Option B
Explaination / Solution:
No Explaination.
