Square and Square Roots (IMO- Mathematics Olympiad Class 8): Questions 48 - 55 of 67

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Question number: 48

» Square and Square Roots

MCQ▾

Question

A number is multiplied by itself and then 6 is added to the product. If the final result is 175, then find the original number.

Choices

Choice (4) Response

a.

14

b.

13

c.

16

d.

12

Question number: 49

» Square and Square Roots

MCQ▾

Question

A number is multiplied by half to itself and then 5 is subtracted from the product. If the final result is 123, then find the original number.

Choices

Choice (4) Response

a.

12

b.

16

c.

14

d.

11

Question number: 50

» Square and Square Roots

MCQ▾

Question

The number must be subtracted from 6089 to get a perfect square is________.

Choices

Choice (4) Response

a.

8

b.

7

c.

5

d.

18

Question number: 51

» Square and Square Roots

MCQ▾

Question

Find the value of Equation .

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 52

» Square and Square Roots

MCQ▾

Question

If Equation = 5, then Equation = ________.

Choices

Choice (4) Response

a.

400

b.

100

c.

169

d.

144

Question number: 53

» Square and Square Roots

True-False▾

Following Statement is true or false:

Square root of a negative numbers are imaginary number. This statement is________

Question number: 54

» Square and Square Roots

MCQ▾

Question

A number is multiplied by Equation itself and then 72 is subtracted from the product. If the final result is 5928, then find the original number.

Choices

Choice (4) Response

a.

36

b.

60

c.

50

d.

62

Question number: 55

» Square and Square Roots

MCQ▾

Question

If Equation , then the value of Equation is________.

Choices

Choice (4) Response

a.

3

b.

4

c.

2

d.

5

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