# Arithmetic (IAS (Admin.) Prelims CSAT Paper-II (Aptitude)): Questions 4 - 6 of 20

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## Question number: 4

» Arithmetic » Basic Statistics

Appeared in Year: 2014

MCQ▾

### Question

The following table shows the marks obtained by two students in different subjects:

 Student A Maximum Marks Student B Maximum Marks English 60 100 80 150 Psychology 70 100 70 100 History 50 100 60 100 Sanskrit 30 50 15 25

The difference in the mean aggregate percentage marks of the students is

### Choices

Choice (4) Response

a.

2.5%

b.

13.75%

c.

Zero

d.

1.25%

## Question number: 5

» Arithmetic » HCF and LCM

Appeared in Year: 2014

MCQ▾

### Question

A bell rings every 18 minutes. A second bell rings every 24 minutes. A third bell rings every 32 minutes. If all the three bells ring at the same time at 8 o’clock in the morning, at what other time will they all ring together?

### Choices

Choice (4) Response

a.

12: 48 hrs

b.

13: 04 hrs

c.

12: 40 hrs

d.

12: 56 hrs

## Question number: 6

» Arithmetic » Sets and Venn Diagrams

Appeared in Year: 2014

MCQ▾

### Question

There are 50 students admitted to a nursery class. Some students can speak only English and some can speak only Hindi. 10 students can speak both English and Hindi. If the number of students who can speak English is 21, then how many students can speak Hindi, how many can speak only Hindi and how many can speak only English?

### Choices

Choice (4) Response

a.

21, 11 and 29 respectively

b.

37, 27 and 13 respectively

c.

28, 18 and 22 respectively

d.

39, 29 and 11 respectively

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