Mr.khan invested an amount of TK. 13,900 divided into two different schemes A and B at a simple interest rate of 14% per annum and 11% per annum respectively. If the total amount of simple interest earned in 2 years be Tk. 3,508, what was the amount invested in Scheme B?

A 3-digit number 4a3 is added to another 3-digit number 984 to give a 4- digit number 13b7, which is divisible...

How many times are the hands of a clock at right angle in a day?

The population of town increased from 1,75,000 to 2,62,500 in a decade. The average percentage increase of the...

The difference of two number is 1365. On dividing the larger number by the smaller, we get 6 as quotient and t...

A and B started a partership business investing some amount in the ratio of 3:5. C joined them after six month...

In a business A and C invested amounts in the ratio 2 : 1 whereas A and B invested amounts in the ratio 3 : 2...