Simple Equations (IMO- Mathematics Olympiad Class 7): Questions 58 - 64 of 83

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Question number: 58

» Simple Equations

MCQ▾

Question

A number is multiplied by 6. If 24 is subtracted from the product and difference is divided by 42, the result is equal to 10. The number is ________.

Choices

Choice (4) Response

a.

19

b.

52

c.

74

d.

56

Question number: 59

» Simple Equations

MCQ▾

Question

5 is added to a number and the sum is multiplied by 5. If 25 is subtracted from the product and difference is divided by 8, the result is equal to 10. The number is ________.

Choices

Choice (4) Response

a.

19

b.

16

c.

10

d.

14

Question number: 60

» Simple Equations

MCQ▾

Question

Savan is n years older than his sister is. His sister’s age is 19. What is their total age before 2 years?

Choices

Choice (4) Response

a.

(34+n) years

b.

(17+n) years

c.

24n years

d.

28n years

Question number: 61

» Simple Equations

MCQ▾

Question

4X4+41+3X4X=4 , then find the value of X.

Choices

Choice (4) Response

a.

1

b.

43

c.

8

d.

34

Question number: 62

» Simple Equations

MCQ▾

Question

The number of girls in a class is 4 times the number of boys. Which of the following cannot be the total number of children in the class?

Choices

Choice (4) Response

a.

25

b.

17

c.

35

d.

105

Question number: 63

» Simple Equations

MCQ▾

Question

One-third of Rajani’s marks in Mathematics exceeds a half of his marks in English by 30. If he got 120 marks in the two subjects together, how many marks did he get in English?

Choices

Choice (4) Response

a.

42

b.

84

c.

36

d.

78

Question number: 64

» Simple Equations

MCQ▾

Question

The average of 21,22,Y,24 and 25 is 23 . The value of Y is ________

Choices

Choice (4) Response

a.

21

b.

23

c.

15

d.

20

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