Square and Square Roots (IMO- Mathematics Olympiad (SOF) Class 8): Questions 61 - 67 of 67

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Question number: 61

» Square and Square Roots

MCQ▾

Question

A number is multiplied by itself and then 10 is subtracted from the product. If the final result is 590, then find the original number.

Choices

Choice (4) Response

a.

60

b.

30

c.

50

d.

36

Question number: 62

» Square and Square Roots

MCQ▾

Question

If, then

Choices

Choice (4) Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

Question number: 63

» Square and Square Roots

MCQ▾

Question

If, then the value of is________.

Choices

Choice (4) Response

a.

30.2

b.

22.7

c.

11.1

d.

24.7

Question number: 64

» Square and Square Roots

MCQ▾

Question

If, then the value of is________.

Choices

Choice (4) Response

a.

b.

30.20

c.

24.70

d.

25.00

Question number: 65

» Square and Square Roots

MCQ▾

Question

The value of is________.

Choices

Choice (4) Response

a.

62217

b.

151750

c.

62217

d.

Question number: 66

» Square and Square Roots

MCQ▾

Question

Which of the following describes a square root of 55?

Choices

Choice (4) Response

a.

Between 20 and 21

b.

Between 6 and 7

c.

Between 20 and 22

d.

Between 7 and 8

Question number: 67

» Square and Square Roots

Appeared in Year: 2012

MCQ▾

Question

Which of the following describes a square root of 41?

Choices

Choice (4) Response

a.

Between 21 and 22

b.

Between 20 and 21

c.

Between 6 and 7

d.

Between 5 and 6

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