Hasib took a loan of 1400 tk with simple interest for as many years as the rate of interest. If he paid 126 th as interest at the end of the loan period , what was the rate of interest?

A batsman makes a score of 87 runs in the 17th ining and thus increases his average by 3. What is his average...

Two student appeared at an examination. One of them secured 9 makes more than the other and his marks was 56%...

A die is rolled twice. What is the probability of getting a sum equal to 9?

Two tanks A and B are filled with petrol. Tank A holds 600 liters more than B. If 100 liters of petrol were ta...

Six bells starts ringing logether and ring at intervals of 4, 8, 10, 12, 15 and 20 seconds respectively. How m...

The sum of three digits x, y and z is 12 . What is the largest 3-digit number that can be found using each of...