Linear Equations in One Variable (IMO- Mathematics Olympiad Class 8): Questions 21 - 26 of 61

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Question number: 21

» Linear Equations in One Variable

MCQ▾

Question

Two years ago, Sunil was four times as old as his son and two years hence, twice his age will be equal to six times that of his son. Then the present age of Sunil is_.

Choices

Choice (4) Response

a.

34 years

b.

29 years

c.

32 years

d.

30 years

Question number: 22

» Linear Equations in One Variable

MCQ▾

Question

The perimeter of a rectangle is numerically equal to the area of rectangle. If length of rectangle is 114 cm, then its width is_.

Choices

Choice (4) Response

a.

223cm

b.

59cm

c.

269cm

d.

2611cm

Question number: 23

» Linear Equations in One Variable

MCQ▾

Question

The sum of the ages of a man and his wife is 77yrs. The man is 17 years older than his wife. How old is the man?

Choices

Choice (4) Response

a.

44 years

b.

47 years

c.

35 years

d.

40 years

Question number: 24

» Linear Equations in One Variable

MCQ▾

Question

Solution of the equation 4(3x+1)2(2x1)=5(x3)4(3x1)+7x is_.

Choices

Choice (4) Response

a.

138

b.

1

c.

1312

d.

178

Question number: 25

» Linear Equations in One Variable

MCQ▾

Question

Two angles in a triangle in the ratio 1: 3. If the sum of these angles is equal to the third angle, then the third angle is_.

Choices

Choice (4) Response

a.

90°

b.

180°

c.

60°

d.

45°

Question number: 26

» Linear Equations in One Variable

MCQ▾

Question

There were only two candidates in an election. One got 65 % votes and was elected by a margin of 900 votes. The total number of voters were_.

Choices

Choice (4) Response

a.

1000

b.

3000

c.

2000

d.

500

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