IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 186 - 193 of 1034

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Question 186

Appeared in Year: 2012

Question MCQ▾

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

Choices

Choice (4)Response

a.

30

b.

81

c.

25

d.

5

Edit

Question 187

Question MCQ▾

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 . The number is ________.

Choices

Choice (4)Response

a.

14

b.

16

c.

19

d.

10

Edit

Question 188

Question MCQ▾

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

Edit

Question 189

Question MCQ▾

Simplify:

Choices

Choice (4)Response

a.

24

b.

12

c.

-54

d.

-34

Edit

Question 190

Question MCQ▾

The average of and is . The value of Z is ________

Choices

Choice (4)Response

a.

59

b.

61

c.

62

d.

60

Edit

Question 191

Question MCQ▾

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

Choices

Choice (4)Response

a.

-4

b.

-5

c.

5

d.

3

Edit

Question 192

Question MCQ▾

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

Choices

Choice (4)Response

a.

30,20

b.

10,20

c.

20,30

d.

20,10

Edit

Question 193

Question MCQ▾

The average of 11, and is . The value of X is ________

Choices

Choice (4)Response

a.

17

b.

21

c.

15

d.

14

Edit