SSC CHSL 2019 tier 1 Questions and Answers Detailed Explanation

Question : 1

30 men working 8 hours per day can dig a pond in 16 days. By working how many hours per day can 32 men dig two same ponds, in 20 days?

a) 6 hours per day

b) 7 hours per day

c) 5 hours per day

d) 8 hours per day

Question : 2

If a + b = 11 and ab = 15, then a² + b² is equal to:

a) 91

b) 92

c) 93

d) 90

Question : 3

XYZ is a triangle. If the medians ZL and YM intersect each other at G, then (Area of ΔGLM : Area of ΔXYZ) is:

a) 1 : 12

b) 1 : 14

c) 1 : 11

d) 1 : 10

Question : 4

When (77⁷⁷ + 77) is divided by 78, the remainder is:

a) 74

b) 77

c) 75

d) 76

Question : 5

The average of the runs of a cricket player in 20 matches is 35. If the average of the first 12 matches is 45, find the average of the last 8 matches.

a) 20

b) 16

c) 22

d) 18

Question : 6

Rs. 3,600 is divided between Seema, Komal and Rita, such that the ratios of the shares of Seema : Komal = 1.5 : 2 and Komal : Rita = 2 : 2.5. Find Rita's share.

a) Rs. 1,400

b) Rs. 1,200

c) Rs. 1,300

d) Rs. 1,500