Mathematics - Online Test
Q1. If 6 times of 6th
term of an A.P. is equal to 7 times the 7th term, then the 13th
term of the A.P. is
Answer : Option A
Explaination / Solution:
Q2. If x =1/5 , the value of cos (cos−1 x + 2 sin−1 x) is
Answer : Option D
Explaination / Solution:
Q3. If are non real complex numbers such that are real numbers , then
Answer : Option A
Explaination / Solution:
Q4. If A ,B andC be the three square matrices such that A = B + C , then Det A is equal to
Answer : Option C
Explaination / Solution:
Because , if A=B+C then |A|=|B+C|
Q5. Two coins are to be flipped. The first coin will
land on heads with probability 0.6, the second with Probability 0.5. Assume
that the results of the flips are independent, and let X equal the total number of heads that result. The value of E(X)
is
Answer : Option B
Explaination / Solution:
Q6. The solution of 2x
− 12 = 9 is equal to
Answer : Option C
Explaination / Solution:
Q7. The term containing in the expansion of is
Answer : Option B
Explaination / Solution:
Q8. The intercepts of the perpendicular bisector of the line segment joining (1, 2) and (3,4) with
coordinate axes are
Answer : Option B
Explaination / Solution:
Q9. The radius of the circle
passing through the point (6, 2) two of whose diameter are x + y =
6 and x + 2 y = 4 is
Answer : Option B
Explaination / Solution:
Q10. Two poles of heights 6 m and 11 m stand vertically on a plane ground. If the distance between their feet is 12 m, what is the distance between their tops?
Answer : Option A
Explaination / Solution:
