Money and Credit (Part 4)

A sum of money amounts to ₹14,880 in 6 years and to ₹16,320 in 9 years. Find the sum of money and the rate of interest.

A sum of money, invested with simple interest, amounts to ₹23,400 in 5 years and to ₹26,640 in 8 years. Find the sum of money and the rate of interest.

A sum of money lent out at simple interest amounts to ₹7440 in 3 years and to ₹9360 in 7 years. Find the sum of money and the rate of interest.

A sum of money lent out at simple interest amounts to ₹2880 in 2 years and to ₹3600 in 5 years. Find the sum of money and the rate of interest.

Watson, Crick and Wilkins are credited for the discovery that DNA:

In a year, Seema earns Rs 1,50,000 and saves Rs 50,000. Find the ratio of(a) Money that Seema earns to the money she saves.(b) Money that she saves to the money she spends

British doctors Patrick Steptoe and Robert Edwards have been credited for developing