MCQ Questions

Question No. 1

Say whether the following statements are true or false.

Answer :

a) 5 × 2 + 3 = 2 + 11

b) 100 = (9 + 1) × (3 − 1)

c) 3 × 4 = 9 + 3

d) 6 × (3 + 1) = 6 × 5

e) (5 − 2) × 3 = 18

Question No. 2

Find the missing value in the following diagrams.

Answer :

a) □ → +6 → □ = 15

b) □ → −14 → □ = 7

c) − 5 → □ = 2

d) □ × 4 → □ = 32

e) 45 → □ = 9

Question No. 3

Each letter represents a number. Write the value of the letter.

Answer :

a) x + 9 = 30

b) m + 13 = 12

c) p + 30 = 21

d) x − 1 = 3

e) −m + 1 = 9

Question No. 4

Each letter represents a number. Copy the number pattern. Write the value of the letter.

Answer :

a) 3, 6, 9, 12, v, 18

b) 5, 10, b, 20, 25, 30

c) p, 18, 27, 36, 45, 54

d) 4, 8, 12, 16, 20, g

e) 8, 16, j, 32, 40, 48

Question No. 5

Fill in the algebraic expressions that have been left out below.

Answer :

a) The sum of 7 and the product of two different numbers.

b) The difference between half a number and 23.

c) A number squared.

d) The cube root of a number.

e) The square root of the sum of twice x and a third of y.

Question No. 6

Translate the following into algebraic language.

Answer :

a) A man’s age in five years’ time.

b) The man’s age doubled.

c) The man’s age halved.

d) The man’s age 2 years ago.

e) The number of days in x weeks.

Question No. 7

Make an equation for each of the following word problems. You do not need to solve the equation.

Answer :

a) I think of a number, and then I double it. I get an answer of 12.

b) I think of a number, treble it, add 5 and get 12.

c) The three angles of a triangle are x, 2x and x + 1.

d) The three sides of a triangle are x, x + 1 and x − 1. The perimeter is 20 cm.

e) The four sides of a quadrilateral are x, x + 1, 2x and x + 1. The perimeter is 100 cm.

Question No. 8

Draw a flow chart for the following statements, and then solve for the unknown number.

Answer :

a) A number multiplied by 7 and with 5 subtracted from it, is 51.

b) A number increased by 4 and multiplied by 3, is 60.

c) A number divided by 4 and with 3 subtracted from it, is 1.

d) A number has 4 added to it, 2 subtracted from it and is then divided by 5 to give 2.

e) A number has 3 subtracted from it, is divided by 5 and has 4 added to it. The final answer is 7.

Question No. 9

Use the flow diagram to determine the input number.

Answer :

a)

b)

c)

d)

e)

Question No. 10

Solve the following equations using inverse operations.

Answer :

a) 26 = 8 + v

b) 3 + p = 8

c) 15 + b = 23

d) −15 + n = −9

e) m + 4 = −12

f) x − 7 = 13

Question No. 11

Solve the following equations.

Answer :

a) 9x − 8 = −6

b) 9x − 7 = −7

c) −5 = 5 + 2z

d) 8n + 7 = 31

e) −4 = 4 + x/2

f) 9 + 9n = 9

Chapter

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