Simple Equations (IMO- Mathematics Olympiad Class 7): Questions 26 - 32 of 83

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Question number: 26

» Simple Equations

Appeared in Year: 2012

MCQ▾

Question

If 95 of a number is 45, What is 15 of the same number?

Choices

Choice (4) Response

a.

5

b.

25

c.

30

d.

81

Question number: 27

» Simple Equations

MCQ▾

Question

A number is subtracted by 3 and the difference is multiplied by 8. If 14 is added from the product and sum is divided by 3, the result is equal to 34 . The number is ________.

Choices

Choice (4) Response

a.

14

b.

10

c.

19

d.

16

Question number: 28

» Simple Equations

MCQ▾

Question

In three- digit number, hundred’s digit is thrice the unit’s digit and the ten’s digit is half of the unit’s digit. The original number is ________

Choices

Choice (4) Response

a.

882

b.

812

c.

612

d.

622

Question number: 29

» Simple Equations

MCQ▾

Question

Simplify: [(3119)×{5(5+23)}of3+(2)]×(1)

Choices

Choice (4) Response

a.

12

b.

-54

c.

-34

d.

24

Question number: 30

» Simple Equations

MCQ▾

Question

The average of Z,61,62,63 and 64 is 62 . The value of Z is ________

Choices

Choice (4) Response

a.

61

b.

62

c.

59

d.

60

Question number: 31

» Simple Equations

MCQ▾

Question

What is the value of R that makes the following expression true?

R+{34(25÷5+3)+1}=25

Choices

Choice (4) Response

a.

-4

b.

-5

c.

3

d.

5

Question number: 32

» Simple Equations

MCQ▾

Question

The present age of A is twice that of B. 20 years from now, age of A will be 113 times that of B. The present ages of A and B (in years) respectively, is ________.

Choices

Choice (4) Response

a.

20, 10

b.

10, 20

c.

30, 20

d.

20, 30

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