Algebra (IMO- Mathematics Olympiad Class 6): Questions 40 - 47 of 81

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Question number: 40

» Algebra

MCQ▾

Question

Half of a number is added to 18, then the sum is 46. The number is

Choices

Choice (4) Response

a.

92

b.

0

c.

56

d.

65

Question number: 41

» Algebra

MCQ▾

Question

The algebraic expression for the statement ‘’a’ is multiplied by square of itself’ is

Choices

Choice (4) Response

a.

a3

b.

a2

c.

2a

d.

a

Question number: 42

» Algebra

MCQ▾

Question

The algebraic expression for the statement ‘x is multiplied by itself’ is

Choices

Choice (4) Response

a.

x

b.

2x

c.

x3

d.

x2

Question number: 43

» Algebra

MCQ▾

Question

Thrice of a number is added to 25, then the sum is 40. The number is

Choices

Choice (4) Response

a.

0

b.

5

c.

6

d.

2

Question number: 44

» Algebra

MCQ▾

Question

Simplify: (a2+b2+6ab7)(a2+b22ab+4) .

Choices

Choice (4) Response

a.

2a2+8ab11

b.

2a24ab11

c.

2a2+4ab+11

d.

ab28ab+11

Question number: 45

» Algebra

MCQ▾

Question

In b5+2b3=13 the value of b is

Choices

Choice (4) Response

a.

15

b.

- 15

c.

195

d.

- 1

Question number: 46

» Algebra

MCQ▾

Question

Meera bought packs of trading cards that contain 10 cards each. She gave away 7 cards.

X = Number of packs of trading cards

Which expression shows the number of cards left with Meera?

Choices

Choice (4) Response

a.

510x

b.

7x8

c.

85x

d.

10x7

Question number: 47

» Algebra

MCQ▾

Question

The equation for the statement; ‘third-half of a number subtracted from 6 is 20’ is

Choices

Choice (4) Response

a.

3x2=620

b.

63x2=20

c.

3x26=20

d.

3x2=6+20

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