If a certain sum at compound interest becomes 2(1/2) times in 5 years, then in how many years will it become 6(1/4) times, at the same rate of interest p.a.?
Suman lent ₹6,400 to Rahul for three years and ₹4,000 to Ganesh for 5 years on simple interest at the same rate of interest p.a., and received ₹4,116 in all from both as interest. The interest paid by Ganesh is:
General Awareness
Which of the following articles of the Constitution of India provides that Hindi in Devanagari script shall be the official language of the Union?