21)

There are three books coded as A, B and C. The price of book A is twice the price of book B and one-third the price of book C. If book C costs Rs. 84, then what are the costs of book A and book B, respectively?

SSC CHSL 2021

A)

Rs. 28 and Rs. 14

B)

Rs. 14 and Rs. 7

C)

Rs. 24 and Rs. 42

D)

Rs. 14 and Rs. 42

22)

The sales boy of a washing machine store charges his customers 24% more than the cost price. If a customer paid Rs. 6,200 for a washing machine, then what was the cost price of the washing machine?

SSC CHSL 2021

A)

Rs. 5000

B)

Rs. 6200

C)

Rs. 7200

D)

Rs. 5500

23)

A driver increases the speed of his vehicle by 5 km/h after every one hour. If the initial speed of the vehicle was 75 km/h, then what was the average speed of the vehicle in a journey of 4 hours?

SSC CHSL 2021

A)

83.75 km/h

B)

82.5 km/h

C)

82 km/h

D)

83 km/h

24)

The District Transport Authority has started special bus services for college going students. One bus starts from village P. The number of girls in the bus is one-fourth of the number of boys. In village Q, 20 boys leave the bus at their college stop and ten girls enter the bus. Now the number of boys and girls is equal. How many students enter the bus in the beginning?

SSC CHSL 2021

A)

50

B)

40

C)

30

D)

60

25)

A notebook costs ₹12 each. A pen costs ₹9 each. Tina spends ₹123 on a total of 11 pieces of these articles. How many notebooks did she purchase?

SSC CHSL 2021

A)

9

B)

6

C)

11

D)

8

26)

A family consists of six members. Surendar is the son of Revant. Pranavi is the wife of Revant. Yugal is the brother of Revant. Kundana is the daughter of Pranavi. Janardan is the brother of Pranavi. How many children does Pranavi have?

SSC CHSL 2021

A)

3

B)

4

C)

1

D)

2

27)

In a group of 72 actors, each artist participates in three activities, viz., quiz, solo acting, and simulation. 11 actors participate in quiz only, 15 participate in solo acting only and 14 participate in simulation only. If 5 artists participate in all the three activities, then calculate the number of artists participating in any two activities.

SSC CHSL 2021

A)

15

B)

27

C)

25

D)

37

28)

₹481 is distributed among A, B and C in such a way that B gets two-thirds of what A gets and C gets three-fourths of what B gets. How much does B get?

SSC CHSL 2021

A)

₹168

B)

₹222

C)

₹111

D)

₹148

29)

​Sunita appeared for a test consisting of 260 questions and answered 40% of the first 130 questions correctly. What percentage of the rest 130 questions must she answer correctly so as to score 60% in the entire test?

SSC CHSL 2021

A)

0.75

B)

0.84

C)

0.7

D)

0.8

30)

Ankit is 30 years younger than his father. After 4 years Ankit's sister will be half the age of her father. The total of the present ages of Ankit and his sister is 67 years. What is the present age of Ankit's father?

SSC CHSL 2021

A)

48 years

B)

66 years

C)

52 years

D)

60 years