SSC CGL Tier 1 :: QA Test 26
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# SSC CGL Tier 1 Quantitative Aptitude Questions and Answers Free Online Mock Test 26

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Exercise

1 . If 4x = secθ and $4\over x$ tanθ , hen find the value of 8($x^2$-$1\over x^2$ ) .
A.$1\over2$
B.$1\over4$
C.$1\over16$
D.$1\over8$
 a b c d
2 . If sinθ + cosθ = $\sqrt2$ cos (90° – θ), then cot θ is –
A. $\sqrt2$
B. $\sqrt2$ -1
C. $\sqrt2$ +1
D.0
 a b c d
3 . Two sides of atriangle are of length 4 cm and 10 cm. If the length of the third side is 'a' cm, then
 a< 6 6 < a< 14 a> 5 6 < a<12
4 . $sec^4$θ – $sec^2$θ is equal to –

(A) $sec^2$θ .$cot^2$θ
(B) $cos^2$θ – $cos^4$θ
(C) $tan^2$θ .$tan^4$θ
(D) $sec^2$θ .$tan^2$θ
 a b c d
5 . If $\sqrt 6$ × $\sqrt 15$ = x $\sqrt 10$ , then find the value of x.

(A) $\sqrt 3$
(B) $\sqrt 6$
(C) 3
(D) ±3
 a b c d
6 . If a+ b+ 1 = 0, then find the value of (a 3 + b 3 + 1 – 3ab).
 -1 1 3 0
7 . In a big garden 60% of the trees are coconut trees, 25% of the number of coconut trees are mango trees and 20% of the number of mango trees are apple trees. If the number of apple tress are 1500, then the number of trees in the garden is –
 48000 50000 51000 45000
8 . A coconut merchant finds that the cost price of 2750 coconuts is the same as the selling price of 2500 coconuts. The loss or gain per cent is –
 5% loss 15% loss 20% gain 10% gain
9 . If $x^4$ + $1\over x^4$ = 23,then the find value of (x- $1\over x$)$^2$