IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 87 - 93 of 1042

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Question 87

Question

MCQ▾

There were only two candidates in an election. One got 65 % votes and was elected by a margin of 900 votes. The total number of voters were_.

Choices

Choice (4)Response

a.

1000

b.

500

c.

2000

d.

3000

Question 88

Question

MCQ▾

The denominator of a rational number is greater than its numerator by 2. If 2 is subtracted from the numerator and 3 is added to its denominator, the new number becomes . The original number is_.

Choices

Choice (4)Response

a.

b.

c.

d.

Question 89

Question

MCQ▾

Of a number added to of a same number make . The number is_.

Choices

Choice (4)Response

a.

2

b.

5

c.

7

d.

1

Question 90

Question

MCQ▾

The two consecutive multiplies of 2 whose sum is 30 are_.

Choices

Choice (4)Response

a.

12,14

b.

14,16

c.

11,13

d.

9,11

Question 91

Question

MCQ▾

Of a number subtracted from of a same number make . The number is_.

Choices

Choice (4)Response

a.

b.

1

c.

d.

5

Question 92

Question

MCQ▾

The denominator of a rational number is greater than its numerator by 4. If 5 is added to the numerator and 2 is subtracted from its denominator, the new number becomes the original number is_.

Choices

Choice (4)Response

a.

b.

c.

d.

Question 93

Question

MCQ▾

If of a number is 10 less than the original number, then the number is_.

Choices

Choice (4)Response

a.

15

b.

30

c.

60

d.

25