Linear Equations in One Variable (IMO- Mathematics Olympiad Class 8): Questions 33 - 38 of 61

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Question number: 33

» Linear Equations in One Variable

MCQ▾

Question

Shyam has Rs. 20 in the form of fifty paise and twenty five paise coins. He has thrice as many twenty five paise coins as he has fifty paise coins. The number of coins of each kind are_.

Choices

Choice (4) Response

a.

20 and 50

b.

10 and 30

c.

16 and 32

d.

30 and 60

Question number: 34

» Linear Equations in One Variable

MCQ▾

Question

The denominator of a rational number is greater than its numerator by 5. If 2 is subtracted from the numerator and 3 is added to its denominator, the new number becomes Equation . The original number is_.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 35

» Linear Equations in One Variable

MCQ▾

Question

Solve for Equation

Choices

Choice (4) Response

a.

5

b.

10

c.

12

d.

3

Question number: 36

» Linear Equations in One Variable

MCQ▾

Question

The difference of two numbers a and b is 10 and difference of their cubes is 10. Then find the numbers b.

Choices

Choice (4) Response

a.

Equation i

b.

Equation i

c.

Equation i

d.

Equation i

Question number: 37

» Linear Equations in One Variable

MCQ▾

Question

A number consists of two digits whose sum is 9. If 63 is subtracted to the number, the digits are interchanged. The number is_.

Choices

Choice (4) Response

a.

82

b.

88

c.

18

d.

81

Question number: 38

» Linear Equations in One Variable

MCQ▾

Question

A number consists of two digits whose sum is 5. If 9 is added to the number, the digits are interchanged. The number is_.

Choices

Choice (4) Response

a.

32

b.

23

c.

88

d.

31

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