Q1.
The degree of Quadratic polynomial is _________.
(a) 1 (b) 2 (c) 3 (d) 4
Answer.
(b) 2
Answer
Q2.
6y2 + 90x2y + 9x2 y4 is a polynomial of degree __________ .
(a) 6 (b) 4 (c) 2 (d) 1
Answer.
(a) 6
Answer
Q3.
A polynomial of degree zero is called ________ .
(a) Quadratic (b) Cubic (c) Linear (d) Constant
Answer.
(d) Constant
Answer
Q4.
In 9x2 + 100 what must be added to make it a perfect square (find the third term).
(a) 10x (b) 40x (c) 60x (d) 20x
Answer.
(c) 60x
Answer
Q5.
If x -
1
/
x
= 4 , find x2 +
1
/
x2
(a) 14 (b) 16 (c) 18 (d) 20
Answer.
(c) 18
Answer
Q6.
Simplify
2.59 x 2.59 - 1.41 x 1.41
/
(2.59 - 1.41)
(a) 4 (b) 6 (c) 8 (d) 2
Answer.
(a) 4
Answer
Q7.
Find the value of x2 + y2 + z2 if x + y + z = 13, xy + yz + zx = 27 .
(a) 115 (b) 100 (c) 72 (d) 64
Answer.
(a) 115
Answer
Q8.
√
x
/
y
+ √
y
/
x
=
6
/
5
, find xy .
(a) 6 (b) 25 (c) 36 (d) 5
Answer.
(b) 25
Answer
Q9.
One number is 4 times another number. If 15 is added to both the numbers, then one of the new numbers becomes thrice that of the other
new number . find the numbers.
(a) (30,120) (b) (90,120) (c) (40,80) (d) (60,120)
Answer.
(a) (30,120)
Answer
Q10.
Sanjana can finish a work in 18 hours while Sunita can complete the same work in 24 hours. How long will it take them together to
complete this work if Sanjana is called away for 4 hours while Sunita continues with the work .
(a) 88/7 (b) 88/5 (c) 32/3 (d) 76/6
Answer.
(a) 88/7
Answer
