CBSE Class 8 Mathematics Proportional Reasoning 2 MCQs Set I

Question. To find simplified ratio of 12 : 10 : 8 : 6 : 4, we use
(a) Addition
(b) Multiplication
(c) HCF
(d) Ruler

Answer: C

Question. Angle for Grade B students (ratio part 5 out of 20) is
(a) 108 degrees
(b) 90 degrees
(c) 72 degrees
(d) 36 degrees

Answer: B

Question. If 18 children travel by car and the car angle is 60 degrees, total children is
(a) 60
(b) 108
(c) 180
(d) 360

Answer: B

Question. In a survey of 360 people, 90 liked summer. The angle for summer on a pie chart is
(a) 90 degrees
(b) 45 degrees
(c) 180 degrees
(d) 60 degrees

Answer: A

Question. Library has Odiya, Hindi, English books as 3 : 2 : 1. If Odiya is 288, one part is
(a) 288
(b) 144
(c) 96
(d) 100

Answer: C

Question. If 5 workers move 4500 bricks, workers for 18000 bricks is
(a) 10
(b) 15
(c) 20
(d) 25

Answer: C

Question. Session is 150 minutes. For 15 parts, 1 part is
(a) 1 minute
(b) 5 minutes
(c) 10 minutes
(d) 15 minutes

Answer: C

Question. 5 workers move 4500 bricks. 1 worker moves how many?
(a) 4500
(b) 900
(c) 1000
(d) 500

Answer: B

Question. To move 18000 bricks, workers needed is 18000 divided by 900. Answer is
(a) 10
(b) 20
(c) 30
(d) 40

Answer: B

Question. If we put 20 chairs in each row, number of rows will be
(a) 25
(b) 15
(c) 20
(d) 12

Answer: B

Question. For 30 families, the same water will last
(a) 6 days
(b) 4 days
(c) 9 days
(d) 10 days

Answer: B

Question. Total bags of concrete from 3 bags cement is
(a) 10
(b) 16.5
(c) 15
(d) 20

Answer: B

Question. Ratios can have more than two
(a) Numbers
(b) Terms
(c) Values
(d) Lines

Answer: B

Question. Total angle in a circle is
(a) 180 degrees
(b) 90 degrees
(c) 360 degrees
(d) 270 degrees

Answer: C

Question. In inverse proportion, if speed is 3 times, time becomes
(a) 3 times
(b) 1/3 times
(c) Same
(d) Zero

Answer: B

Question. Concrete is a mixture of cement, sand, and
(a) Water only
(b) Gravel
(c) Sugar
(d) Salt

Answer: B

Question. Puneet used 0.5 spoon methi because Viswanath used 1 spoon. This factor is
(a) Double
(b) Half
(c) Triple
(d) Same

Answer: B

Question. Sports channel is 25% in the survey. The slice angle is
(a) 25 degrees
(b) 90 degrees
(c) 45 degrees
(d) 10 degrees

Answer: B

Question. Proportional relationships mean quantities change by the
(a) Different factor
(b) Same factor
(c) Only addition
(d) Random factor

Answer: B

Question. Direct proportion means both quantities change by
(a) Different factor
(b) Same factor
(c) Zero
(d) Plus five

Answer: B