Class 8 Comparing Quantities CBSE Questions & Answers

Class 8 · Comparing Quantities

This is Mathematics Class 8 Comparing Quantities CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Find the ratio of speed of a cycle 15 km per hour to the speed of scooter 30 km per hour.
  • A
    It is 3:1
  • B
    It is 2:1
  • C
    It is 1:3
  • D
    It is 1:2
    Correct
2
The price of a scooter was Rs 34,000 last year. It has increased by 20\(\% \) this year. What is the price now?
  • A
    Rs 40,800
    Correct
  • B
    Rs 30,400
  • C
    Rs 30,800
  • D
    Rs 40,400
3
Rohan bought a second hand refrigerator for Rs 2,500, then spent Rs 500 on its repairs and sold it for Rs 3,300. Find his loss or gain per cent.
  • A
    Profit 10\(\% \)
    Correct
  • B
    None of these
  • C
    Loss 15\(\% \)2a
  • D
    Loss 10\(\% \)
4
________ means comparing two quantities.
  • A
    None of these
  • B
    Ratio
    Correct
  • C
    Percent
  • D
    Proportion
5
A picnic is being planned in a school for Class VII. Girls are 60\(\% \) of the total number of students and are 18 in number. Find the ratio of the number of girls to the number of boys in the class.
  • A
    It is 2:3
  • B
    It is 3:1
  • C
    It is 2:1
  • D
    It is 3:2
    Correct
6
A shopkeeper purchased 200 bulbs for Rs 10 each. However 5 bulbs were fused and had to be thrown away. The remaining were sold at Rs 12 each. Find the gain or loss \(\% \).
  • A
    17\(\% \)
    Correct
  • B
    15\(\% \)
  • C
    None of these
  • D
    13\(\% \)
7
During a sale, a shop offered a discount of 10\(\% \) on the marked prices of all the items. What would a customer have to pay for a pair of jeans marked at Rs 1450 and two shirts marked at Rs 850 each?
  • A
    Rs 2,635
  • B
    None of these
  • C
    Rs 2,735
  • D
    Rs 2,835
    Correct
8
The population of a city was 20,000 in the year 1997. It increased at the rate of 5\(\% \) p.a. Find the population at the end of the year 2000.
  • A
    23153
    Correct
  • B
    24153
  • C
    None of these
  • D
    25153
9
Calculate the amount on Rs 10,800 for 3 years at 12.5 \(\% \) per annum compounded annually.
  • A
    Rs 13,377.34
  • B
    None of these
  • C
    Rs 15,377.34
    Correct
  • D
    Rs 14,377.34
10
Calculate the compound interest on Rs 10,800 for 3 years at 12.5 \(\% \) per annum compounded annually.
  • A
    Rs 3,577.34
  • B
    Rs 5,577.34
  • C
    None of these
  • D
    Rs 4,577.34
    Correct
11
Find the ratio of 5 m to 10 km.
  • A
    It is 2000:1
  • B
    It is 1:2000
    Correct
  • C
    It is 3000:1
  • D
    It is 1:3
12
An item marked at Rs 840 is sold for Rs 714. What is the discount \(\% \)?
  • A
    None of these
  • B
    10\(\% \)
  • C
    20\(\% \)
  • D
    15\(\% \)
    Correct
13
Find selling price (SP) if a profit of 5\(\% \) is made on a cycle of Rs 700 with Rs 50 as overhead charges.
  • A
    Rs 780
  • B
    None of these
  • C
    Rs 600
  • D
    Rs 787.50
    Correct
14
Find the ratio of speed of a cycle 20 km per hour to the speed of scooter 30 km per hour.
  • A
    It is 2:3
    Correct
  • B
    It is 2:1
  • C
    It is 1:3
  • D
    It is 3:1
15
Find the ratio of speed of a car 50 km per hour to the speed of scooter 40 km per hour.
  • A
    It is 4:5
  • B
    It is 5:4
    Correct
  • C
    It is 1:5
  • D
    It is 4:1