Comparing Quantities — Chapter Test | Class 8 IMO

Q1

A profit occurs when SP is greater than ___ ?

Profit happens when SP > CP.

Q2

Compound interest is more than simple interest because interest is added to the ___ ?

CI is charged on the growing principal.

Q3

A 100% increase means the value ___ ?

Adding 100% doubles the value.

Q4

A discount reduces the ___ ?

A discount is taken off the marked price.

Q5

Increase 50 by 20%.

20% of 50 = 10, so 50 + 10 = 60.

Q6

Decrease 80 by 25%.

25% of 80 = 20, so 80 − 20 = 60.

Q7

MP = ₹500 with a 10% discount. The SP is ___ ?

₹50 off ₹500 gives ₹450.

Q8

What is 18% GST on ₹200?

18% of 200 = ₹36.

Q9

What is the compound interest on ₹1000 at 10% for 2 years?

Year 1: ₹100, year 2: ₹110, total ₹210.

Q10

What is the amount on ₹1000 at 10% compound interest for 2 years?

CI ₹210, so amount ₹1210.

Q11

A shirt with MP ₹800 has a 25% discount. The SP is ___ ?

₹200 off ₹800 gives ₹600.

Q12

What is the simple interest on ₹2000 at 5% for 2 years?

SI = (2000 × 5 × 2) ÷ 100 = ₹200.

Q13

By how much does CI exceed SI on ₹1000 at 10% for 2 years?

CI ₹210 − SI ₹200 = ₹10.

Q14

What is the amount on ₹2000 at 10% compound interest for 2 years?

Year 1: 2200, year 2: 2420.