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

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Question 87

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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

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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

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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

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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

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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

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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

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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