Maths - Online Test
Q1. The value of log3 11. log11
13. log13 15.log15 27.log27 81 is
Answer : Option D
Explaination / Solution:
Q2. If f(x) = 
, then at x = 3, f '(x) is
, then at x = 3, f '(x) is
Answer : Option D
Explaination / Solution:
Q3.
In a ∆ABC, if
(i) sin A/2 sin B/2 sin C/2> 0
Answer : Option A
Explaination / Solution:
Q4. ∫e -7x sin 5x dx is
Answer : Option A
Explaination / Solution:
Q5. The number of rectangles that a chessboard has……….
Answer : Option C
Explaination / Solution:
Q6. If a and b are chosen randomly from the set {1,2,3,4}with
replacement, then the probability of the real
roots of the equation x2 + ax + b = 0 is
Answer : Option C
Explaination / Solution:
Q7. The value of 
.... is
.... is
Answer : Option B
Explaination / Solution:
Q8. If a vertex of a square is at the origin and its one side lies along the line 4x + 3y - 20 = 0, then the area of the square is
Answer : Option B
Explaination / Solution:
Q9. If a ≠ b, b, c satisfy 
=
0, then abc =
=
0, then abc =
Answer : Option C
Explaination / Solution:
Q10. If 
and 
are two vectors of
magnitude 2 and inclined at an angle 60º , then the angle between and + is
and are two vectors of
magnitude 2 and inclined at an angle 60º , then the angle between and + is
Answer : Option A
Explaination / Solution:
