CBSE Class 8 Mathematics Proportional Reasoning 2 MCQs Set E

Question. HCF of 12, 10, 8, 6, 4 is
(a) 1
(b) 2
(c) 4
(d) 6

Answer: B

Question. In concrete, the third number 3 stands for
(a) Cement
(b) Sand
(c) Gravel
(d) Water

Answer: C

Question. Cricket session is 150 minutes. Total parts are 3 + 4 + 3 + 5. Sum is
(a) 10
(b) 12
(c) 15
(d) 20

Answer: C

Question. If 5 parts of white paint is 25 litres, then 1 part is
(a) 1 litre
(b) 5 litres
(c) 10 litres
(d) 25 litres

Answer: B

Question. 24 pencils cost Rs 120. The cost of 1 pencil is
(a) Rs 2
(b) Rs 5
(c) Rs 10
(d) Rs 24

Answer: B

Question. If worker-days is 80, 10 workers will take
(a) 4 days
(b) 8 days
(c) 10 days
(d) 20 days

Answer: B

Question. School library ratio Odiya : Hindi : English is 3 : 2 : 1. Library has 288 Odiya books. 1 part is
(a) 288
(b) 144
(c) 96
(d) 3

Answer: C

Question. For concrete, we mix cement, sand, and
(a) Soil
(b) Gravel
(c) Brick
(d) Wood

Answer: B

Question. 2 pumps fill tank in 18 hours. 4 pumps will take
(a) 36 hours
(b) 18 hours
(c) 9 hours
(d) 4 hours

Answer: C

Question. Puneet has only 2 red chillies. Viswanath used 4. Puneet must make everything
(a) Double
(b) Same
(c) Half
(d) Zero

Answer: C

Question. 20 workers take 4 days. 10 workers will take
(a) 2 days
(b) 4 days
(c) 8 days
(d) 10 days

Answer: C

Question. Map distance and ground distance ratio is called
(a) Scale factor
(b) Representative Fraction
(c) Real Fraction
(d) Map Fraction

Answer: B

Question. In inverse proportion, if speed increases, time will
(a) Increase
(b) Decrease
(c) Stay same
(d) Double

Answer: B

Question. Strength of pillars depends on the
(a) Colour of cement
(b) Ratio of components
(c) Size of bag
(d) Height of pillar

Answer: B

Question. Number of Rs 10 coins (4 parts out of 10) is
(a) 10
(b) 40
(c) 4
(d) 20

Answer: B

Question. 2 pumps take 18 hours. 4 pumps will take
(a) 36 hours
(b) 18 hours
(c) 9 hours
(d) 2 hours

Answer: C

Question. Time taken by both pumps together to fill the tank is
(a) 5 hours
(b) 1.2 hours
(c) 6 hours
(d) 2 hours

Answer: B

Question. In 1 : 1.5 : 3 concrete mix, the sum of terms is
(a) 4.5
(b) 5.5
(c) 6
(d) 3

Answer: B

Question. For 110 units of concrete, we need to do the 1 : 1.5 : 3 mix how many times?
(a) 10
(b) 20
(c) 30
(d) 50

Answer: B

Question. For Grade C students (4 parts out of 20), the circle angle is
(a) 108 degrees
(b) 90 degrees
(c) 72 degrees
(d) 36 degrees

Answer: C