Question

1. A sum amounts to 1326 in 6 years at 5% p.a. simple interest. In what time will this sum double itself at the same rate of interest?
2. 2450 amounts to 540 in 4 years at simple interest, find the sum that will amount to 3 637.50
5 years at the same rate of interest.

3. Sameer lent equal sums of money at 55 per cent and 4 per cent per annum respectively for a periode

3 years. If he earned 72 more for the money lent out at 5-%, find the sum of money lent at 4%.

4. Two equal sumns were lent out at 7% and 5% interest respectively. The interests earned on the two loans
add up to 960 for 4 years. What is the total sum lent out?
5. A sum lent out at simple interest becomes 4480 in 3 years and 4800 in 5 years. Find the sum and the
rate of interest.
6. Amar and Chaman borrowed 2250 and 2500 respectively at the same rate of simple interest for 3 years. If Chaman paid 140 more interest than Amar, find the rate of interest per annum.​

Answer 1

Answer I am trying out to solve it but I can't so you also can help

Answer 2

Answer:

not knowing sorry jjsjshshdhjd