# IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 1012 - 1019 of 1022

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## Question number: 1012

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Appeared in Year: 2012

MCQ▾

### Question

Find the value of x.

### Choices

Choice (4) Response

a.

47.95

b.

47.932

c.

47.095

d.

47.752

## Question number: 1013

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MCQ▾

### Question

The mean of 7 numbers is 40. If one number is included, mean of the numbers becomes 50, and then the included number is________.

### Choices

Choice (4) Response

a.

120

b.

140

c.

150

d.

130

## Question number: 1014

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MCQ▾

### Question

Which letter of the English alphabet has reflection symmetry about vertical mirrors?

### Choices

Choice (4) Response

a.

H

b.

N

c.

Z

d.

B

## Question number: 1015

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MCQ▾

### Question

The average of the two middle rational numbers if are arranged in descending order is ________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 1016

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MCQ▾

If , then x=

### Choices

Choice (4) Response

a.

0

b.

2

c.

3

d.

1

## Question number: 1017

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MCQ▾

### Question

What fraction of the figure is shaded?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 1018

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MCQ▾

### Question

If the area of a trangle with base 2x is equal to the area of a square with side 2x, then the altitude of the triangle is ________.

### Choices

Choice (4) Response

a.

4x

b.

c.

3x

d.

2x

## Question number: 1019

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MCQ▾

### Question

Salary of a professor increases every year by 10%. His salary in the year 2011 was Rs. 88000. Find his original slary.

### Choices

Choice (4) Response

a.

Rs. 80,000

b.

Rs. 90,008

c.

Rs. 88,000

d.

Rs. 79,508