Rational numbers
1) Evaluate 70 - 50 ÷ 5 + 10 × 8 ÷ (6 - 4)
- 120
- 160
- 140
- 100
Answer: 100
2) Evaluate 50 - 60 ÷ 12 + 12 × 6 ÷ (6 - 4)
- 79
- 81
- 67
- 45
Answer: 81
3) Evaluate 56 – 72 ÷ 12 + 10 × 3 ÷ (6 - 5)
- 70
- 90
- 80
- 50
Answer: 80
4) Evaluate 450 – 60 ÷ 5 + 40 × 12 ÷ (8 - 4)
- 550
- 450
- 550
- 400
Answer: 550
5) Evaluate 400 – 60 ÷ 6 + 50 × 10 ÷ (8 - 4)
- 600
- 580
- 450
- 640
Answer: 640
6) Evaluate 60 – 48 ÷ 12 + 70 × 50 ÷ (16 - 6)
- 450
- 430
- 420
- 406
Answer: 406
7) Evaluate 70 –120 ÷ 60 × 30 ÷ (10 - 7)
- 66
- 46
- 78
- 50
Answer: 50
8) Evaluate 80 –100 ÷ 50 × 45 ÷ (10 - 7)
- 40
- 60
- 70
- 50
Answer: 50
9) Evaluate 60 –160 ÷ 40 × 40 ÷ (10 - 5)
- 280
- 270
- 250
- 230
Answer: 280
10) Evaluate 50 –100 ÷ 20 × 70 ÷ (20 - 10)
- 30
- 15
- 20
- 25
Answer: 15
11) The temperature of a chicken pie was -8ºC when it is taken out of a freeze, if the chicken pie is immediately heated up in a microwave, it would reach a temperature of 40ºC after 12 minutes. What is the temperature increase in 1 minute?
- -3
- -5
- -4
- -1
Answer: -4
12) The temperature of a cheese pie was -11ºC when it is taken out of a freeze, if the cheese pie is immediately heated up in a microwave, it would reach a temperature of 79ºC after 15 minutes. What is the temperature increase in 1 minute?
- -2
- -5
- -9
- -4
Answer: -5
13) The temperature of a pizza was -6ºC when it is taken out of a freeze, if the pizza is immediately heated up in a microwave, it would reach a temperature of 30ºC after 12 minutes. What is the temperature increase in 1 minute?
- -5
- -7
- -3
- -2
Answer: -3
14) The temperature of a burger was -12ºC when it is taken out of a freeze, If the burger is immediately heated up in a microwave, it would reach a temperature of 30ºC after 21 minutes. What is the temperature increase in 1 minute?
- -15
- -20
- -16
- -10
Answer: -10
15) The temperature of a garlic bread was -10ºC when it is taken out of a freeze, If the garlic bread is immediately heated up in a microwave, it would reach a temperature of 20ºC after 10 minutes. What is the temperature increase in 1 minute?
- -7
- -4
- -9
- -5
Answer: -7
16) The temperature of a sandwich was -20ºC when it is taken out of a freeze, If the sandwich is immediately heated up in a microwave, it would reach a temperature of 10ºC after 10 minutes. What is the temperature increase in 1 minute?
- -17
- -18
- -19
- -26
Answer: -17
17) The temperature of a Frankie was 10ºC when it is taken out of a freeze, if the Frankie is immediately heated up in a microwave, it would reach a temperature of 40ºC after 15 minutes. What is the temperature increase in 1 minute?
- 10
- 15
- 19
- 12
Answer: 12
18) The temperature of a puff was 50ºC when it is taken out of a freeze, If the puff is immediately heated up in a microwave, it would reach a temperature of 70ºC after 10 minutes. What is the temperature increase in 1 minute?
- 45
- 49
- 50
- 52
Answer: 52
19) The temperature of a chocolate pie was 40ºC when it is taken out of a freeze, if the chocolate pie is immediately heated up in a microwave, it would reach a temperature of 60ºC after 10 minutes. What is the temperature increase in 1 minute?
- 42
- 78
- 40
- 46
Answer: 42
20) The temperature of a cake was 20ºC when it is taken out of a freeze, if the cake is immediately heated up in a microwave, it would reach a temperature of 30ºC after 5 minutes. What is the temperature increase in 1 minute?
- 22
- 25
- 17
- 10
Answer: 22
21) In an English quiz with 20 questions, each correct answer is awarded 4 marks, for each wrong answer, 3.5 marks are deducted and for each unanswered question, 2 mark is deducted. Find the lowest possible score for the quiz?
- -47
- -70
- -23
- -98
Answer: -70
22) In a Maths quiz with 10 questions, each correct answer is awarded 4 marks, for each wrong answer, 3 marks are deducted and for each unanswered question, 2 mark is deducted. Find the lowest possible score for the quiz?
- -30
- -40
- -60
- -20
Answer: -30
23) In a Literature quiz with 15 questions, each correct answer is awarded 5 marks, for each wrong answer, 4.5 marks are deducted and for each unanswered question, 1mark is deducted. Find the lowest possible score for the quiz?
- -50.8
- -54.9
- -34.6
- -67.5
Answer: -67.5
24) In an Anthropology quiz with 30 questions, each correct answer is awarded 1 marks, for each wrong answer, 2.5 marks are deducted and for each unanswered question, 0.5 mark is deducted. Find the lowest possible score for the quiz?
- -23
- -75
- -70
- -56
Answer: -75
25) In a Science quiz with 50 questions, each correct answer is awarded 3 marks, for each wrong answer, 5 marks are deducted and for each unanswered question, 2 mark is deducted. Find the lowest possible score for the quiz?
- -140
- -120
- -250
- -165
Answer: -250
26) In a Social quiz with 5 questions, each correct answer is awarded 4 marks, for each wrong answer, 4.5 marks are deducted and for each unanswered question, 2 mark is deducted. Find the lowest possible score for the quiz?
- -22.5
- -12.5
- -10.3
- -34.3
Answer: -22.5
27) In a History quiz with 40 questions, each correct answer is awarded 3 marks, for each wrong answer, 3.5 marks are deducted and for each unanswered question, 1.5 mark is deducted. Find the lowest possible score for the quiz?
- -100
- -125
- -145
- -140
Answer: -140
28) In a Biology quiz with 50 questions, each correct answer is awarded 5 marks, for each wrong answer, 4.5 marks are deducted and for each unanswered question, 1.5 mark is deducted. Find the lowest possible score for the quiz?
- -278
- -345
- -256
- -225
Answer: -225
29) In a Zoology quiz with 60 questions, each correct answer is awarded 4 marks, for each wrong answer, 5.5 marks are deducted and for each unanswered question, 1.5 mark is deducted. Find the lowest possible score for the quiz?
- - 210
- - 330
- - 275
- - 275
Answer: - 330
30) In an Economics quiz with 20 questions, each correct answer is awarded 1 marks, for each wrong answer, 1.5 marks are deducted and for each unanswered question,0.5 mark is deducted. Find the lowest possible score for the quiz?
- -25
- -30
- -40
- -60
Answer: -30