Simplification SSC CHSL Questions

SSC CHSL-Quantitative Aptitude

Simplification MCQ Questions


7.
The value of
\(7\dfrac{4}{13} \div \dfrac{5}{26} \ \text{of}\ \left(4\dfrac{3}{5} + 7\dfrac{2}{5}\right) + \left(7\dfrac{1}{6} - 2\dfrac{1}{3}\right)\)
is:
SSC CHSL 2021-12.04.2021-3
A.
5
B.
6
C.
8
D.
4
😑 View Answer Rough Work Error
ANSWER :
C. 8
8.
If x2 - 3x + 1 = 0, then the value of \(2\left(x^{8}+\dfrac{1}{x^{8}}\right)-5\left(x^{2}+\dfrac{1}{x^{2}}\right)\) is:
SSC CHSL 2021-12.04.2021-3
A.
4379
B.
4279
C.
3479
D.
4370
😑 View Answer Rough Work Error
ANSWER :
A. 4379
9.
If x - y - z = 0, then the value of \((x^{2}+y^{2}+z^{2}) \div (y^{2}+xz)\) is:
SSC CHSL 2021-12.04.2021-3
A.
-2
B.
2
C.
1
D.
-1
😑 View Answer Rough Work Error
ANSWER :
B. 2
10.
If \(x^{4}+\dfrac{1}{x^{4}} = 6887\) , then the positive value of \(x - \dfrac{1}{x}\) is:
SSC CHSL 2021-12.04.2021-3
A.
12
B.
15
C.
8
D.
9
😑 View Answer Rough Work Error
ANSWER :
D. 9
11.
If a + b + c = 5 and a3 + b3 + c3 -3abc = 185, then the value of ab + bc + ca lies between:
SSC CHSL 2021-13.04.2021-1
A.
-7 and -3
B.
1 and 5
C.
-3 and 1
D.
5 and 9
😑 View Answer Rough Work Error
ANSWER :
A. -7 and -3
12.
If 3u + 2v = 7 and uv = 2 , then the value of (3u - 2v) is:
SSC CHSL 2021-13.04.2021-1
A.
2
B.
0
C.
1
D.
5
😑 View Answer Rough Work Error
ANSWER :
C. 1