CBSE Class 8 Mathematics Proportional Reasoning 1 MCQs Set B

Question. Unit conversion: 1 hectare is equal to how many acres?
(a) 1 acre
(b) 2.471 acres
(c) 5 acres
(d) 10 acres

Answer: B

Question. 0 degree Celsius in Fahrenheit is
(a) 0
(b) 32
(c) 100
(d) 212

Answer: B

Question. Prashanti invested ₹75,000 and Bhuvan invested ₹25,000 in a business. If they gain a profit of ₹4,000, how much profit does Prashanti get if they share it in the ratio of their investment?
(a) ₹1,000
(b) ₹2,000
(c) ₹3,000
(d) ₹4,000

Answer: C

Question. Total weight of mixture is
(a) 20 kg
(b) 30 kg
(c) 40 kg
(d) 50 kg

Answer: C

Question. Simplest ratio of investment 75000 : 25000 is
(a) 1 : 3
(b) 3 : 1
(c) 2 : 1
(d) 5 : 2

Answer: B

Question. For sharing 42 counters in 4 : 3, number of groups is
(a) 4
(b) 3
(c) 7
(d) 10

Answer: C

Question. Ratio of weight to price for Meghalaya tea is
(a) 1 : 1
(b) 5 : 4
(c) 4 : 5
(d) 10 : 8

Answer: B

Question. Weight of Himachal tea packet is
(a) 100 g
(b) 200 g
(c) 500 g
(d) 1 kg

Answer: B

Question. The result we find in Rule of Three is called
(a) ichchhāphala
(b) pramāṇa
(c) apple
(d) sugar

Answer: A

Question. When the same number is added to (or subtracted from) the terms of a ratio, does the ratio necessarily remain proportional to the original ratio?
(a) Yes, always.
(b) No, it changes and is not necessarily proportional.
(c) Only if the added number is zero.
(d) It depends on the initial ratio.

Answer: B

Question. If two ratios are same in simplest form, we say they are
(a) plus
(b) minus
(c) proportional
(d) small

Answer: C

Question. A car travels 90 km in 150 minutes. The ratio is
(a) 90 : 150
(b) 150 : 90
(c) 1 : 1
(d) 2 : 3

Answer: B

Question. Price of 200 g Himachal tea is
(a) Rs 100
(b) Rs 200
(c) Rs 800
(d) Rs 1000

Answer: B

Question. Cost of 1 kg Himachal tea is
(a) Rs 800
(b) Rs 1000
(c) Rs 1200
(d) Rs 500

Answer: B

Question. Each group size for 42 counters in 7 groups is
(a) 5
(b) 6
(c) 7
(d) 8

Answer: B

Question. Total profit of the business was
(a) Rs 1000
(b) Rs 2000
(c) Rs 3000
(d) Rs 4000

Answer: D

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

Answer: C

Question. For 240 mL solution (1 : 5), acid amount is
(a) 20 mL
(b) 40 mL
(c) 60 mL
(d) 80 mL

Answer: B

Question. In proportion a : b :: c : d, the value ad is same as
(a) ab
(b) bc
(c) cd
(d) ac

Answer: B

Question. In the temperature formula, if Celsius is 25, then Fahrenheit will be
(a) 32
(b) 77
(c) 100
(d) 212

Answer: B