IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 211 - 217 of 1022

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Question number: 211

» Simple Equations

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MCQ▾

Question

If , then what is the value of ?

Choices

Choice (4) Response

a.

0

b.

c.

2

d.

4

Question number: 212

» Simple Equations

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MCQ▾

Question

If , then what is the value of ?

Choices

Choice (4) Response

a.

b.

0

c.

d.

Question number: 213

» Simple Equations

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MCQ▾

Question

In two- digit number, unit’s digit is twice the ten’s digit. The number formed by interchanging the digits is 27 more than the original number. The original number is ________

Choices

Choice (4) Response

a.

36

b.

45

c.

72

d.

84

Question number: 214

» Simple Equations

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MCQ▾

Question

The sum of 4 consecutive integers is 54. Then the greatest among them is ________.

Choices

Choice (4) Response

a.

15

b.

12

c.

13

d.

14

Question number: 215

» Simple Equations

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MCQ▾

Question

The age of A and B are in ratio after 4 years, their ages will be in the ratio 7: 5 the sum of present age is ________

Choices

Choice (4) Response

a.

14 years

b.

12 years

c.

16 years

d.

24 years

Question number: 216

» Simple Equations

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MCQ▾

Question

The number of girls in a class is 3 times the number of boys. Which of the following cannot be the total number of children in the class?

Choices

Choice (4) Response

a.

16

b.

64

c.

32

d.

18

Question number: 217

» Simple Equations

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MCQ▾

Question

The total cost of three prizes is Rs. 4440. If the value of second prize is of the first and the value of third prize is of the second prize, then the value of first prize is ________.

Choices

Choice (4) Response

a.

Rs. 1200

b.

Rs. 1500

c.

Rs. 1050

d.

Rs. 1800