# SSC CGL Tier 1 :: Quantitative Aptitude QA Test 34

## Home SSC CGL Tier 1 / Quantitative Aptitude QA Test 34 Questions and Answers

1 . If A + B + C = 180°, then find the value of cotAcot B + cotBcotC + cotC cotA.
(A) –1 (B) 1
(C) 10 (D)π
a
b
c
d
2 .
20°
40°
60°
80°
3 .
50°
60°
70°
45°
4 .
90°
105°
135°
180°
5 .
1
-1
0
2
6 . A father is 39 times older than his son. 18 year later, he will be only thrice as old as his son. Father's present age is –
25 years
39 years
40 years
45 years
7 .
a
b
c
d
8 .
42
53
60
40
9 . If x* y= $(x+ 3)^2$ 2 (y–1), then find the value of 5 * 4.
192
182
180
172
10 . If A:B= $1\over2$ : $3\over8$ B:C = $1\over3$ : $5\over9$ and C:D = $5\over6$ : $3\over4$, then find the ratio of A : B : C : D.
6 : 9 : 8 : 10
6 : 8 : 9 : 10
8 : 6 : 10 : 9
9 : 6 : 8 : 10