Home › CBSE Class 8 › Mathematics › Comparing Quantities › On 100 at 10 per cent, compound interest over th…
On 100 at 10 per cent, compound interest over three years earns:
A35.10
B33.10
C30.00
D31.10
Answer & Solution
Correct answer: B. 33.10
1. The amount grows to 110, then 121, then 133.10.
2. Interest earned is the final amount less the principal.
3. So it is 133.10 minus 100, which is 33.10.
4. The answer is 33.10.
_Source: NCERT Class 8 Mathematics, Ch 7 'Comparing Quantities'_
Related questions
Over the same rate and time, compound interest compared to simple is:Compound interest is worked out on a sum compounded:Under compound interest, the second year's principal is:Under simple interest the principal each year stays:Simple interest on 10,000 at 15 per cent for two years is:Simple interest on 10,000 at 15 per cent for one year is:Skates costing 450 with 5 per cent tax give a bill of:Sales tax of 5 per cent on roller skates costing 450 is: