Mathematics

A machine uses the rule output = 4 × input + 8. What is the output when the input is 5?

• 32
• 28
• 20
• 44

A sequence starts at 6 and increases by 7 each step. What is the 6th term?

• 41
• 34
• 36
• 48

The pattern is 1, 4, 7, 10, … . Which expression gives the nth term?

• 3n + -2
• 1n + 3
• 3n + 1
• n + 3

A number x is divided equally among 3 students. Each student gets 6. Which equation correctly represents the situation?

• x – 3 = 6
• x/3 = 6
• x + 3 = 6
• 3x = 6

Each packet has 2 stickers. There are x packets and 32 stickers altogether. Which equation correctly represents the situation?

• x – 2 = 32
• 2x = 32
• x/2 = 32
• x + 2 = 32

A box has x marbles. After giving away 11, 4 marbles remain. Which equation correctly represents the situation?

• x – 11 = 4
• x + 11 = 4
• x/11 = 4
• 11x = 4

Rina has x pencils and buys 7 more. Now she has 21 pencils. Which equation correctly represents the situation?

• 7x = 21
• x + 7 = 28
• x + 7 = 21
• x – 7 = 21

A bus fare is 8 taka per student. For x students, the total fare is 104 taka. Which equation correctly represents the situation?

• x/8 = 104
• 8x = 104
• x – 8 = 104
• x + 8 = 104

Sam’s age is x. His brother is 3 years older and is 15 years old. Which equation correctly represents the situation?

• x – 3 = 15
• x + 3 = 15
• x + 3 = 18
• 3x = 15

A number x is divided equally among 5 students. Each student gets 11. Which equation correctly represents the situation?

• x + 5 = 11
• 5x = 11
• x/5 = 11
• x – 5 = 11

Each packet has 4 stickers. There are x packets and 40 stickers altogether. Which equation correctly represents the situation?

• x – 4 = 40
• x + 4 = 40
• 4x = 40
• x/4 = 40

A box has x marbles. After giving away 4, 5 marbles remain. Which equation correctly represents the situation?

• 4x = 5
• x – 4 = 5
• x/4 = 5
• x + 4 = 5

Rina has x pencils and buys 11 more. Now she has 19 pencils. Which equation correctly represents the situation?

• x + 11 = 30
• x – 11 = 19
• x + 11 = 19
• 11x = 19

A bus fare is 12 taka per student. For x students, the total fare is 84 taka. Which equation correctly represents the situation?

• 12x = 84
• x/12 = 84
• x – 12 = 84
• x + 12 = 84

Sam’s age is x. His brother is 5 years older and is 11 years old. Which equation correctly represents the situation?

• 5x = 11
• x – 5 = 11
• x + 5 = 11
• x + 5 = 16

A number x is divided equally among 8 students. Each student gets 16. Which equation correctly represents the situation?

• 8x = 16
• x + 8 = 16
• x – 8 = 16
• x/8 = 16

Each packet has 6 stickers. There are x packets and 90 stickers altogether. Which equation correctly represents the situation?

• 6x = 90
• x/6 = 90
• x + 6 = 90
• x – 6 = 90

A box has x marbles. After giving away 6, 8 marbles remain. Which equation correctly represents the situation?

• 6x = 8
• x – 6 = 8
• x + 6 = 8
• x/6 = 8

Rina has x pencils and buys 4 more. Now she has 17 pencils. Which equation correctly represents the situation?

• x + 4 = 21
• x + 4 = 17
• x – 4 = 17
• 4x = 17

A bus fare is 3 taka per student. For x students, the total fare is 36 taka. Which equation correctly represents the situation?

• x – 3 = 36
• 3x = 36
• x/3 = 36
• x + 3 = 36