IMO- Mathematics Olympiad (SOF) Class 8: Questions 175 - 183 of 1029

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Question number: 175

» Square and Square Roots

MCQ▾

Question

If , then the value of is________.

Choices

Choice (4) Response

a.

3

b.

4

c.

2

d.

5

Question number: 176

» Square and Square Roots

MCQ▾

Question

Find the smallest square number which is exactly divisible by 5 6,9 and 12 is, ________

Choices

Choice (4) Response

a.

100

b.

180

c.

900

d.

500

Question number: 177

» Square and Square Roots

MCQ▾

Question

Square root of 6084 is________.

Choices

Choice (4) Response

a.

77

b.

78

c.

87

d.

76

Question number: 178

» Square and Square Roots

MCQ▾

Question

If = 4, then = ________.

Choices

Choice (4) Response

a.

100

b.

169

c.

123

d.

144

Question number: 179

» Square and Square Roots

MCQ▾

Question

The greatest four digit number, which is a perfect square is ________.

Choices

Choice (4) Response

a.

9801

b.

9805

c.

9900

d.

9901

Question number: 180

» Square and Square Roots

MCQ▾

Question

Which of the following is not a perfect square?

Choices

Choice (4) Response

a.

16384

b.

100489

c.

5329

d.

1638

Question number: 181

» 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: 182

» Cube and Cube Roots

MCQ▾

Question

Three numbers are in the ratio of 4: 3: 2. The sum of their cubes is 21384. The numbers are________.

Choices

Choice (4) Response

a.

b.

15: 30: 45

c.

d.

6: 12: 18

Question number: 183

» 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

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