IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 132 - 141 of 1042

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Question 132

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Question

MCQ▾

Find the smallest square number which is exactly divisible by 8,12,15, and 20 is, ________

Choices

Choice (4)Response
a.180
b.2500
c.900
d.3600

Question 133

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Question

MCQ▾

Which of the following is not a perfect square?

Choices

Choice (4)Response
a.12544
b.23457
c.100489
d.5329

Question 134

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Question

MCQ▾

If , then the value of is________.

Choices

Choice (4)Response
a.5
b.4
c.8
d.2

Question 135

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Question

MCQ▾

If , then the value of is________.

Choices

Choice (4)Response
a.7
b.4
c.3
d.5

Question 136

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Question

MCQ▾

A number is multiplied by half of itself and then 10 is added to the product. If the final result is 82, then find the original number.

Choices

Choice (4)Response
a.14
b.13
c.11
d.12

Question 137

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Question

MCQ▾

The area of a square field is sq. m. The length of each side of the field is ________.

Choices

Choice (4)Response
a.2.50
b.5.42
c.2.30
d.1.92

Question 138

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Question

MCQ▾

The value of is________.

Choices

Choice (4)Response
a.3
b.
c.
d.0

Question 139

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Question

MCQ▾

The square root of correct to two decimal places is

Choices

Choice (4)Response
a.2.86
b.1.87
c.2.88
d.2.33

Question 140

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Statement

True-False▾

If p and q are perfect squares, then is always a rational number, is the statement true?

Question 141

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Question

MCQ▾

Square root of is________.

Choices

Choice (4)Response
a.17
b.11
c.15
d.14