IMO- Mathematics Olympiad Class 7: Questions 189 - 196 of 1012

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Question number: 189

» 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: 190

» 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: 191

» 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: 192

» 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

Question number: 193

» Simple Equations

MCQ▾

Question

The average of 11, 12, 13,X and 15 is 13 . The value of X is ________

Choices

Choice (4) Response

a.

21

b.

14

c.

15

d.

17

Question number: 194

» Simple Equations

MCQ▾

Question

The sum of 6 consecutive integers is 75. Then the smallest among them is ________.

Choices

Choice (4) Response

a.

19

b.

16

c.

10

d.

14

Question number: 195

» Simple Equations

MCQ▾

Question

The total cost of two books is Rs. 420. If the prize of first book is 57 of the second book then the prize of second book is ________.

Choices

Choice (4) Response

a.

Rs. 220

b.

Rs. 280

c.

Rs. 250

d.

Rs. 245

Question number: 196

» Simple Equations

MCQ▾

Question

3X1+11+X1X=3 , then find the value of X.

Choices

Choice (4) Response

a.

43

b.

23

c.

13

d.

1

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