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Let son's age = x Then father's age = x + 30 After 10 years: Son = x + 10 Father = x + 40 Given: x+40=3(x+10)⇒x+40=3x+30⇒10=2x⇒x=5
An individual borrowed Rs. 9,600 at 13% p.a. and another Rs. 6,400 at 11% p.a., both on simple interest. If the total interest after ‘n’ years is Rs...
An initial principal sum of Rs. 8000, invested by Pranav, accrued interest at a compound rate of 20% annually for a period of 2 years. Subsequently, the...
The simple interest earned on 2,400 at a rate of 5% per annum for 3 years is RS x and RS 1,736 is the simple interest earned on RS 6,200 at a rate of 14...
If Rohit invested Rs. 16,000 at compound interest of 25% p.a., compounded annually, then interest earned by him in two years would be:
A sum of Rs. 25600 is divided between 'Meera' and 'Nisha' in the ratio 9:7. If 'Nisha' invests her share in a scheme offering com...
There is 40% increase in an amount in 8 years at simple interest. What will be the compound interest of Rs. 16,000 after 3 years at the same rate?
A and B started a business with initial investments of Rs. 28000 and Rs. 30000 respectively. After one year, a profit of Rs. 5800 is earned. A being a w...
A certain sum of money becomes 4000 in 6 years and Rs. 5400 in 10 years at any certain rate of simple interest. Find the principal amount.
The difference between the simple interest and the compound interest compounded annually at the same rate on a sum of money at the end of two years is R...
