Question
The ages of 5 children are 8, 10, 12, 14 and 16 years.
Find their average age.Solution
Sum of ages = 8 + 10 + 12 + 14 + 16 = 18 + 12 + 14 + 16 = 30 + 14 + 16 = 44 + 16 = 60 Average = 60 / 5 = 12 years Answer: 12 years
A woman invests Rs. 10,000 in a bank offering 10% p.a. compound interest for the first 3 years and then 15% p.a. simple interest for the rest of the per...
- A man puts Rs. 3,000 in a scheme and gets a simple interest of Rs. 540 in 2 years and 4 months. What is the rate of interest per annum?
On a certain sum of money, simple interest at 8% per annum for 3 years is Rs 4,800. Find the principal,
What will be the simple interest on Rs. 6,20,000 from March 30, 2011 to November 04, 2011 at 12 % p.a?
A man invested a certain amount of sum at 12.5% per annum simple interest and earned an interest of Rs. 2700 after 3 years. If the same amount is...
An amount doubles itself on simple interest in 3 years. What is the percent per annum rate of interest?
A woman invested Rs. 'x + 500' at 8% per annum simple interest and received Rs.360 as interest after 3 years. Calculate the interest she would earn if s...
If the simple interest for 6 years be equal to 60% of the principal. It will be equal to the principal after
An amount of Rs. 2400 is placed in SIP 'P' at a 25% per annum simple interest rate for 8 years, and Rs. 2500 is invested in SIP 'Q' with a 20% annual co...
Rs. 6250 is placed in plan X earning 28% simple interest per annum for 3 years. Half of the maturity amount from plan X is then reinvested in plan Y at ...