Q1.
If 2x + 
= 1, then the value of 
is _______.
(a) -1
(b) -1/2
(c) -1/4
(d) -1/8
Q2.
If x = 22 and y = 18, find the value of 
(a) 1/4
(b) 4
(c) 1/40
(d) 40
Q3.
If a = b + c, then a3 - b3
- c3 is _____. .
(a) 0
(b) 3abc
(c) -3abc
(d) abc
Q4.
= 2. Find the value of 
+ 7.
(a) 243
(b) 250
(c) 16
(d) None of these
Q5.
If a2 – 
= 0, then the value of 
= __________.
(a) -1
(b) 2
(c) 0
(d) 1
Q6.
If 
, then find the value of x +
.
(a) 7
(b) 8
(c) 6
(d) 9
Q7.
If p and q are positive integers such that p2
- q2 = 23, then the value of p is ______.
(a) 23
(b) 24
(c) 12
(d) 13
Q8.
If P, Q and R are three non-zero real numbers
satisfying P + Q + R = 0, then find the value of 
(a) 0
(b) -1
(c) -1/2
(d) -1/3
Q9.
p4 + p2 q2 +
q4 = 16 and p2 - pq + q2 = 2, then find the
value of pq. .
(a) 
(b) 0
(c) 3
(d) -3
Q10.
If p4 + 16q4 = 8p2q2,
find the value of 
- 7.
(a) 0
(b) p2 + 4q2
(c) 16p2q4 + 4p4q2
(d) 1
Answer
|
1.D.
|
2.A.
|
3.B.
|
4.B.
|
5.B.
|
|
6.C.
|
7.C.
|
8.C.
|
9.C.
|
10.D.
|
