Number System (IMO- Mathematics Olympiad Class 7): Questions 75 - 81 of 81

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Question number: 75

» Number System

MCQ▾

Question

A rational number 3

Choices

Choice (4) Response

a.

Cannot be determined on which side the number lies

b.

It is not possible to represent on the number line

c.

Lies to the left side of 0 on the number line

d.

Lies to the right side of 0 on the number line

Question number: 76

» Number System

MCQ▾

Question

The product of two rational numbers is 16 . If one of the numbers is 32 , then the other number is________.

Choices

Choice (4) Response

a.

-19

b.

19

c.

74

d.

34

Question number: 77

» Number System

MCQ▾

Question

What will be the sign of the product if we together multiply 101 negative integers and 11 positive integers?

Choices

Choice (4) Response

a.

Can’t say

b.

Data is insufficient

c.

Positive

d.

Negative

Question number: 78

» Number System

MCQ▾

Question

The difference of the sum of even numbers and sum of odd numbers between 20 and 30 is________.

Choices

Choice (4) Response

a.

13

b.

26

c.

24

d.

25

Question number: 79

» Number System

MCQ▾

Question

In each packet there are total 21 pencils, then how many pencils will there be in 5 packets?

Choices

Choice (4) Response

a.

30

b.

100

c.

105

d.

300

Question number: 80

» Number System

MCQ▾

Question

Which of the following number is not an integer number?

Choices

Choice (4) Response

a.

1

b.

32

c.

0

d.

2

Question number: 81

» Number System

MCQ▾

Question

Table showing the Natural Number

Find the All natural number

175

70

The diagram above contains 13 boxes. The numbers in the second and the twelfth boxes are respec- tively 175 and 70. Fill up the boxes with natural numbers such that

  1. Sum of all numbers in all the 13 boxes is 2015,
  2. Sum of the numbers in any three consecutive boxes is always the same.

The solution must contain the steps how you arrive at the numbers.

Choices

Choice (4) Response

a.

210

b.

212

c.

207

d.

208

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