Tests Quiz Questions Exams Courses Typing Lectures Login
Hindi Version of the Ques with Green background are available only
objective Ques (278 results)
101)

If x2 - 5√2x - 1 = 0, then what will be the value of \(x^3 - \frac{1}{x^3}\) ?

SSC CHSL 2021
A)

250√2

B)

255√2

C)

485√2

D)

265√2

102)

If a + b + c = 4, ab + bc + ca = -14 and abc = -18, then the value of \(\sqrt{4a^3+4b^3+4c^3-36}\) will be:

SSC CHSL 2021
A)

25

B)

24

C)

18

D)

26

103)

If a2 + 49b2 + c2 + 18 = 2(28b - c - a) then the value of (a + 7b - c) is:

SSC CHSL 2021
A)

2

B)

6

C)

-1

D)

4

104)

If x8 – 2599x4 + 1 = 0, then the positive value of \(x-\frac{1}{x}\) will be:

SSC CHSL 2021
A)

6

B)

12

C)

7

D)

8

105)

If a + b = p, ab = q, then (a4 + b4) is equal to

SSC CHSL 2021
A)

p4 - 4p2q + 2q2

B)

p4 - 4p2q2 + 2q​2

C)

p4- 2p2q2 + q​2

D)

p4- 4p2q + q​2

106)

If \((x+{1\over x})^3=27\), then what is the value of \(\left( x^2 + \frac{1}{x^2} \right) \)? Given that x is real.

SSC CHSL 2021
A)

7

B)

25

C)

11

D)

9

107)

Using algebraic identities, simplify the following expression.
\(\frac{(x^4 + x^2 + 1)}{(x^2 + x + 1)}\)

SSC CHSL 2021
A)

(x2 - x + 1)

B)

(x2+ x + 1)

C)

(x2- 2x + 1)

D)

(x2+ 2x + 1)

108)

If \(\sqrt x+{1\over\sqrt x}=\sqrt6\), then the value of \(x^6 + \frac{1}{x^6}\) will be:

SSC CHSL 2021
A)

2270

B)

2502

C)

2712

D)

2702

109)

If \(x^4+{1\over x^4}=3842\), then the positive value of \( x + \frac{1}{x}\) will be:

SSC CHSL 2021
A)

10

B)

8

C)

6

D)

12

110)

If \(x-{2\over x}=4\), then what will be the value of \( x^2 + \frac{4}{x^2}\)?

SSC CHSL 2021
A)

18

B)

20

C)

12

D)

8

showing 101 - 110 results of 278 results

Full Syllabus in 1 Video [Contains Everything basic to advance]
Speed Distance and Time
Watch
Profit, Loss & Discount
Watch
Pipes & Cistern
Watch
Unitary Method
Watch
Work Time Wages
Watch
Simple and Compound Interest
Watch
Trigonometry
Watch
Height & Distance
Watch
Digit Sum Method
Watch