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SSCCGL Quantitative Aptitude Solved Question Paper 2014

Multiple Choice Questions

121.
The value of 204 x 197 is

40188

40212

39812

39812

40188

We have,
204 x 197 = (200 + 4) (200 - 3)
= 200(200 - 3) + 4(200 - 3)
= 40000 - 600 + 800 - 12
= 40800 - 612
= 40188

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122.

The value of $open curly brackets open parentheses straight n square root of straight x squared end root close parentheses to the power of straight n over 2 end exponent close curly brackets squared$ is

x
$straight x to the power of straight n divided by 2 end exponent$
$straight x squared$
$straight x squared$

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123.

If then find the value of n.

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124.

If P = 99, then the value of $straight p left parenthesis straight p squared plus 3 straight p plus 3 right parenthesis$ is

9999999
1000001
999999
999999

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125.

If $2 straight x plus 3 straight y space equals space 11 over 2$ and $xy space equals space 5 over 6$ , then the value of $8 straight x cubed plus 27 straight y cubed$ is

$583 over 4$
187
$671 over 8$
$671 over 8$

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126.

If $straight x to the power of 4 plus 1 over straight x to the power of 4 space equals space 119$ , then the value of $straight x cubed minus 1 over straight x cubed$

36
-36
$plus-or-minus 36$
$plus-or-minus 36$

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127.

If $open curly brackets 1 half left parenthesis straight a minus straight b right parenthesis close curly brackets squared space plus space ab space equals space straight p left parenthesis straight a plus straight b right parenthesis squared comma$ then the value of p is (assume that $straight a not equal to negative straight b$ )

1
$1 half$
$1 fourth$
$1 fourth$

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128.

If 999x + 888y = 1332 and 888x + 999y = 555, then $straight x squared minus straight y squared$ is equal to

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129.

In two similar triangles ABC and MNP, if AB = 2.25 cm, MP = 4.5 cm and PN = 7.5 cm and m $angle ACB$ = m $angle MNP$ and m $angle ABC$ = m $angle MPN$ , then the length of side $BC with bar on top$ , (in cm) is