# Arithmetic-Basic Statistics (IAS Prelims CSAT Paper-II (Aptitude)): Questions 1 - 4 of 6

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## Question number: 1

» 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: 2

» Arithmetic » Basic Statistics

Appeared in Year: 2017

MCQ▾

### Question

If for a sample data

Mean < Median < Mode then the distribution is

### Choices

Choice (4) Response

a.

neither symmetric nor skewed

b.

skewed to the right

c.

skewed to the left

d.

symmetric

## Question number: 3

» Arithmetic » Basic Statistics

Appeared in Year: 2017

MCQ▾

### Question

There are thirteen 2-digit consecutive odd numbers. If 39 is the mean of the first five such numbers, then what is the mean of all the thirteen numbers?

### Choices

Choice (4) Response

a.

47

b.

45

c.

51

d.

49

## Question number: 4

» Arithmetic » Basic Statistics

Appeared in Year: 2017

MCQ▾

### Question

Four tests—Physics, Chemistry, Mathematics and Biology are to be conducted on four consecutive days, not necessarily in the same order. The Physics test is held before the test which is conducted after Biology. Chemistry is conducted exactly after two tests are held. Which is the last test held?

### Choices

Choice (4) Response

a.

Mathematics

b.

Biology

c.

Chemistry

d.

Physics

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