Question : A sum of Rs. 600 becomes Rs. 840 at simple interest in 4 years. In how many years will the sum of Rs. 1500 amount to Rs. 2100 at the same rate of simple interest?

Option 1: 5 years

Option 2: 4 years

Option 3: 2 years

Option 4: 3 years

Question : A sum of Rs. 2,400 amounts to Rs. 3,264 in 4 years at a certain rate of simple interest. If the rate of interest is increased by 1%, the same sum at the same time would amount to:

Option 1: Rs. 3,288

Option 2: Rs. 3,312

Option 3: Rs. 3,340

Option 4: Rs. 3,360

Question : In how many years will the simple interest on a sum of Rs. 6000 lent at 5% per annum be equal to the simple interest on a sum of Rs. 2000 lent for 30 years at 4% per annum?

Option 1: 6 years

Option 2: 12 years

Option 3: 20 years

Option 4: 8 years

Question : If a sum triples in 4 years at simple interest, find the time that it would take to become 5 times itself at the same rate of interest.

Option 1: 6 years

Option 2: 8 years

Option 3: 5 years

Option 4: 3 years

Question : A person deposited Rs. 500 for 4 years and Rs. 600 for 3 years at the same rate of simple interest in a bank. Altogether he received Rs. 190 as interest. The rate of simple interest per annum was:

Option 1: 4%

Option 2: 5%

Option 3: 2%

Option 4: 3%