# Numerical Ability-Simple Interest (CSIR (Council of Scientific & Industrial Research) Part A Aptitude): Questions 25 - 29 of 41

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## Question number: 25

» Numerical Ability » Simple Interest

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### Question

Rajnish opened a bank account with a deposit of . The account pays simple interest of per year. Find the accumulated value at the end of twenty years.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 26

» Numerical Ability » Simple Interest

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### Question

A sum of money amounts to after years and after years at the same rate of simple interest. The rate of interest per annum is:

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 27

» Numerical Ability » Simple Interest

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### Question

In an auditorium, seats were arranged in row and columns. The number of rows was equal to the number of seats in each row. When the number of rows was doubled and the number of seats in each row was reduced by , the total number of seats were increased by Find the number of rows in the original arrangement.

### Choices

Choice (4)Response

a.

60

b.

65

c.

70

d.

50

## Question number: 28

» Numerical Ability » Simple Interest

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### Question

A person borrows for years at per annum simple interest. He immediately lends it to another person at per annum for years. Find his gain in the transaction per year.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 29

» Numerical Ability » Simple Interest

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### Question

A certain sum of money amounts to in years and in years. Find the principal.

### Choices

Choice (4)Response

a.

b.

c.

d.

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