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SSC CHSL 2021 objective Ques (108 results)
1)

Simplify the following expression. (2x - 3y)3 - 18xy (2x - 3y)

SSC CHSL 2021
A)

8x3 - 72x2y + 108xy2 - 27y3

B)

8x - 27y

C)

8x + 108xy - 72x2y

D)

8x - 27y3 - 36x2y - 54xy2

2)

If \(x^2- 6√3 x + 1 = 0\), then the value of  \(\rm x^3 + \frac{1}{x^3}\) will be :

SSC CHSL 2021
A)

666√3

B)

630√3

C)

216√3

D)

234√3

3)

If x4 + y4 + x2y2 = 117 and x2 + y2 - xy = 3(4 + √3), then the value of (x2 + y2) will be:

SSC CHSL 2021
A)

9

B)

6√3

C)

12

D)

13√3

4)

If (a + b + c) = 0 and (abc) = 12, then what is the value of (a3 + b3 + c3)?

SSC CHSL 2021
A)

6

B)

12

C)

72

D)

36

5)

If \(\rm x^4-\frac{1}{x^4} = 6887\), then the positive value of    \(\rm x-\frac{1}{x} \) is:

SSC CHSL 2021
A)

15

B)

8

C)

9

D)

12

6)

If x - y - z = 0, then the value of (x2 + y2 + z2) ÷ (y2 + xz) is:

SSC CHSL 2021
A)

2

B)

1

C)

-2

D)

-1

7)

The value of  \(\left(4\frac{3}{5}+7\frac{2}{5}\right) + \left(7\frac{1}{6}-2\frac{1}{3}\right)\)  of   is:

SSC CHSL 2021
A)

8

B)

6

C)

5

D)

4

8)

If x2 - 3x + 1 = 0, then the value of  \(\rm 2(x^8+\frac{1}{x^8}) - 5(x^2+\frac{1}{x^2})\)  is:

SSC CHSL 2021
A)

4379

B)

3479

C)

4370

D)

4279

9)

If a + b + c = 5 and a3 + b3 + c3 - 3abc = 185, then the value of ab + bc + ac lies between:

SSC CHSL 2021
A)

5 and 9

B)

-3 and 1

C)

1 and 5

D)

-7 and -3

10)

If 3u + 2v = 7 and uv = 2, then the value of (3u - 2v) is:

SSC CHSL 2021
A)

1

B)

2

C)

0

D)

5

showing 1 - 10 results of 108 results

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