CBSE Class 8 Mathematics Proportional Reasoning 1 MCQs Set 04

Question. Soft idli ratio rice to urad dal is 2 : 1. Total 6 cups mixture needs rice
(a) 2 cups
(b) 3 cups
(c) 4 cups
(d) 5 cups

Answer: C

Question. For the car problem, 4 hours must be changed to
(a) 100 minutes
(b) 200 minutes
(c) 240 minutes
(d) 400 minutes

Answer: C

Question. If 12 counters are divided in 3 : 1, the parts are
(a) 6 and 6
(b) 10 and 2
(c) 9 and 3
(d) 8 and 4

Answer: C

Question. Mixture has sand and cement in ratio
(a) 1 : 1
(b) 2 : 1
(c) 3 : 1
(d) 4 : 1

Answer: C

Question. A tractor can plough a field how many times faster than oxen?
(a) 2 times
(b) 4 times
(c) 6 times
(d) 10 times

Answer: B

Question. In the ancient saffron problem, the unit used for money is
(a) Rupees
(b) Niskas
(c) Palas
(d) Gold

Answer: B

Question. In a ratio of the form a:b, what do ‘a' and ‘b' represent?
(a) The product of two quantities.
(b) The terms of the ratio.
(c) The sum of two quantities.
(d) The difference between two quantities.

Answer: B

Question. Acid and water ratio in lab is
(a) 1 : 1
(b) 1 : 5
(c) 5 : 1
(d) 2 : 3

Answer: B

Question. New ratio of sand to cement wanted is
(a) 3 : 1
(b) 5 : 2
(c) 1 : 1
(d) 2 : 5

Answer: B

Question. For 6 cups idli mixture, rice needed is
(a) 2 cups
(b) 3 cups
(c) 4 cups
(d) 5 cups

Answer: C

Question. Last year 3 buses were full for 162 people. To find buses for 204 students, we use
(a) addition
(b) Rule of Three
(c) subtraction
(d) only 3 buses

Answer: B

Question. If sand is 30 kg and ratio is 5 : 2, cement should be
(a) 10 kg
(b) 12 kg
(c) 15 kg
(d) 20 kg

Answer: B

Question. Blue and yellow paint ratio for green is
(a) 3 : 5
(b) 5 : 3
(c) 1 : 1
(d) 2 : 4

Answer: A

Question. Unit conversion: 1 acre is equal to
(a) 10,000 sq. ft
(b) 43,560 sq. ft
(c) 5,000 sq. ft
(d) 1,000 sq. ft

Answer: B

Question. In the saffron problem, 2.5 palas cost how many niskas?
(a) 9
(b) 25
(c) 37
(d) 50

Answer: C

Question. A pair of oxen takes 6 hours for 1 acre. For 20 acres, oxen will take
(a) 6 hours
(b) 20 hours
(c) 60 hours
(d) 120 hours

Answer: D

Question. In 40 kg mixture (3 : 1), weight of cement is
(a) 10 kg
(b) 20 kg
(c) 30 kg
(d) 5 kg

Answer: A

Question. 4 groups of size 6 is
(a) 18
(b) 20
(c) 24
(d) 30

Answer: C

Question. Himachal tea sells for ₹200 per 200 g packet, and Meghalaya tea sells for ₹800 per 1 kg packet. Which tea is more expensive?
(a) Meghalaya tea
(b) Himachal tea
(c) Both are equally expensive.
(d) Cannot be determined without more information.

Answer: B

Question. For 6 cups idli mixture (2 : 1), urad dal needed is
(a) 1 cup
(b) 2 cups
(c) 3 cups
(d) 4 cups

Answer: B