SSC CGL 2019 tier 1 Questions and Answers Detailed Explanation

Question : 1

A shopkeeper marks the price of the article in such a way that after allowing 28% discount, he wants a agin of 12%. If the marked price is Rs. 224, then the cost price of the article is:

a) Rs. 168

b) Rs. 120

c) Rs. 196

d) Rs. 144

Question : 2

The radius of a circular garden is 42 m. The distance (in m) covered by running 8 rounds around it, is: (Take π = $22/7$ )

a) 3248

b) 4262

c) 1124

d) 2112

Question : 3

A, B and C are three points on a circle such that the angles subtended by the chord AB and AC at the centre o are 110° and 130°, respectively. Then the value of ∠BAC is:

a) 65°

b) 75°

c) 60°

d) 70°

Question : 4

If A lies in the first quadrant and 6tanA = 5, then the value of ${8sinA - 4cosA}/\text"cosA + 2sinA"$ is:

a) 1

b) -2

c) 4

d) 16

Question : 5

If ΔABC, MN || BC, the area of quadrilateral MBCN = 130 sqcm. If AN : NC = 4 : 5, then the area of ΔMAN is:

a) 45 cm²

b) 32 cm²

c) 65 cm²

d) 40 cm²

Question : 6

The ratio of the number of boys to the number of girls in a school of 640 students, is 5 : 3. If 30 more girls are admitted in the school, then how many more boys should be admitted so that the ratio of boys to that of the girls, becomes 14 : 9.

a) 20

b) 25

c) 30

d) 15