Rational Numbers (IMO- Mathematics Olympiad Class 8): Questions 56 - 62 of 66

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Question number: 56

» Rational Numbers

MCQ▾

Question

The standard form of 182158 is

Choices

Choice (4) Response

a.

7991

b.

9190

c.

8540

d.

9179

Question number: 57

» Rational Numbers

MCQ▾

Question

Simplify: 710+25+57+310+15+27

Choices

Choice (4) Response

a.

5735

b.

5730

c.

3557

d.

5735

Question number: 58

» Rational Numbers

MCQ▾

Question

Which of the following statement is true?

Choices

Choice (4) Response

a.

The product of two positive rational number is always negative

b.

The product of two negative rational number is always negative

c.

Zero has a reciprocal

d.

The reciprocal of a positive rational number is positive

Question number: 59

» Rational Numbers

MCQ▾

Question

The cost of 623 meters of rope is Rs. 11. Find its cost per meter.

Choices

Choice (4) Response

a.

3310

b.

3320

c.

1120

d.

2033

Question number: 60

» Rational Numbers

MCQ▾

Question

The number which is multiplied to 32 to get 23 is

Choices

Choice (4) Response

a.

49

b.

1

c.

94

d.

29

Question number: 61

» Rational Numbers

MCQ▾

Question

Simplify, (23÷32)×52+(32×1)

Choices

Choice (4) Response

a.

718

b.

72

c.

318

d.

1

Question number: 62

» Rational Numbers

MCQ▾

Question

A hoop is resting vertically at staircase as shown in the diagram. AB = 12 cm and BC = 6 cm. The radius of the hoop is________.

 the radius of the hoop that is resting vertically at staircase

the Radius of the Hoop That Is Resting Vertically at Staircase

A hoop resting vertically at stair case and AB = 12 cm, BC = 6 cm is given

Choices

Choice (4) Response

a.

11 cm

b.

10 cm

c.

15 cm

d.

12 cm

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