DSSSB TGT · Section A — Arithmetical and Numerical Ability
Interest, principal, rate, time problems.
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Q1 · Simple and Compound Interest · EASY
A sum of money amounts to Rs. 6,600 in 2 years and Rs. 7,200 in 3 years at simple interest. Find the principal amount.
Q2 · Simple and Compound Interest · EASY
A person invests Rs. 8,000 at 10% per annum simple interest. After how many years will the amount become Rs. 11,200?
Q3 · Simple and Compound Interest · MEDIUM
What sum of money will amount to Rs. 9,261 in 3 years at 5% per annum compound interest, compounded annually?
Q4 · Simple and Compound Interest · MEDIUM
The difference between compound interest and simple interest on a sum for 2 years at 10% per annum is Rs. 50. Find the sum.
Q5 · Simple and Compound Interest · HARD
A sum of Rs. 12,000 is invested partly at 8% per annum simple interest and partly at 10% per annum simple interest. If the total interest after 1 year is Rs. 1,080, find the sum invested at 8%.