CBSE Class 8 Mathematics Proportional Reasoning 1 MCQs Set 07

Question. If 1 metre equals 3.281 feet, how many square feet are in 1 square metre?
(a) 3.281 square feet
(b) 10.764 square feet
(c) 1 square foot
(d) 0.3048 square feet

Answer: B

Question. Sharing 12 counters in ratio 1 : 1 means each gets
(a) 4
(b) 6
(c) 12
(d) 2

Answer: B

Question. Stronger coffee has 20 mL decoction and 30 mL milk. This ratio is
(a) 1 : 1
(b) 2 : 3
(c) 3 : 2
(d) 4 : 3

Answer: B

Question. Total profit is Rs 4,000. Share it in ratio 3 : 1. Bhuvan gets
(a) Rs 3,000
(b) Rs 1,000
(c) Rs 2,000
(d) Rs 4,000

Answer: B

Question. Blue and yellow paint mixed in 3 : 5 gives green. To make 40 mL green, yellow needed is
(a) 15 mL
(b) 25 mL
(c) 20 mL
(d) 30 mL

Answer: B

Question. Sharing 12 counters in 1 : 1 means each person gets
(a) 2
(b) 4
(c) 6
(d) 12

Answer: C

Question. In the proportion 14 : 21 :: 6 : x, the value of x is:
(a) 13
(b) 4
(c) 9
(d) None of the options

Answer: C

Question. 1 litre is how many mL?
(a) 10 mL
(b) 100 mL
(c) 500 mL
(d) 1000 mL

Answer: D

Question. For 10,000 mL bucket, the time taken by the tap will be
(a) 30 seconds
(b) 150 seconds
(c) 300 seconds
(d) 600 seconds

Answer: C

Question. If a:b::c:d, what algebraic relationship holds true between the terms?
(a) a + d = b + c
(b) a – d = b – c
(c) ad = bc
(d) a⁄b = c⁄d

Answer: C

Question. Anagh mixes 600 mL orange juice and 900 mL apple juice. The simplest ratio is
(a) 6 : 9
(b) 2 : 3
(c) 3 : 2
(d) 1 : 1

Answer: B

Question. Bhuvan invested how much money?
(a) Rs 25,000
(b) Rs 50,000
(c) Rs 75,000
(d) Rs 10,000

Answer: A

Question. Unit conversion: 1 metre is approximately
(a) 1 foot
(b) 2.5 feet
(c) 3.281 feet
(d) 5 feet

Answer: C

Question. For lighter coffee, Manjunath uses 10 mL coffee and
(a) 20 mL milk
(b) 30 mL milk
(c) 40 mL milk
(d) 50 mL milk

Answer: C

Question. In 4 : 7 :: 12 : 21, the statement is
(a) true
(b) false
(c) wrong
(d) difficult

Answer: A

Question. If 3 : 4 and 72 : 96 are proportional, we use symbol
(a) +
(b) =
(c) ::
(d) %

Answer: C

Question. Fill the missing number for 18 : 24 :: 3 : __
(a) 3
(b) 4
(c) 5
(d) 6

Answer: B

Question. For 42 counters in 7 groups, size of each group is
(a) 4
(b) 6
(c) 7
(d) 42

Answer: B

Question. Nitin built 60 ft wall using 3 bags of cement. The ratio is
(a) 60 : 3
(b) 3 : 60
(c) 20 : 1
(d) Both a and c

Answer: D

Question. To show proportional relationship in math, we use
(a) plus
(b) ratio
(c) minus
(d) sum

Answer: B