# IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 677 - 684 of 1022

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## Question number: 677

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MCQ▾

### Question

In a if , then the perimeter of the triangle is ________.

### Choices

Choice (4) Response

a.

16 cm

b.

14 cm

c.

20 cm

d.

18 cm

## Question number: 678

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MCQ▾

### Question

The supplement of a right angle is ________angle.

### Choices

Choice (4) Response

a.

Obtuse

b.

Acute

c.

Right

d.

A straight

## Question number: 679

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MCQ▾

### Question

The mean of 6 numbers is 36. If one number is included, mean of the numbers becomes 40, and then the included number is ________.

### Choices

Choice (4) Response

a.

36

b.

84

c.

64

d.

68

## Question number: 680

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MCQ▾

### Question

What is 35 % of a number whose 180 % is 72?

### Choices

Choice (4) Response

a.

14

b.

12

c.

15

d.

24

## Question number: 681

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MCQ▾

### Question

Complete: CD: FG: : ________: ________.

### Choices

Choice (4) Response

a.

JK: NO

b.

LM: OP

c.

QR: VW

d.

BC: DE

## Question number: 682

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MCQ▾

### Question

Area of the following shaded portion is ________.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 683

Edit
MCQ▾

### Question

On simplification the product of given expression is ________.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 684

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MCQ▾

### Question

How many square centimeters of construction paper does Reema need in order to exactly cover, with no overlap, 5 sides of a cube with edges that are 12 centimeters long?

### Choices

Choice (4) Response

a.

b.

c.

d.