The least number of 5 digits which is exactly divisible by 12, 15, and 18 is -

A boy multiplied 423 by a number and obtained 65589 as his answer. If both the fives in the answer are wrong a...

The least perfect square,which is divisible by each 21, 36 and 66 is -

The average of five consecutive average number is 61. What is the difference between the highest and lowest nu...

A 10% monthly salary increase resulted in a Tk. 9,000 per year increase in salary for an employee. What was hi...

If Tk. 45,000 was invested in the share market when the price per share was Tk. 90 and Tk. 30,000 was invested...

In a class of 120 students. 60 percent can speak English and the rest can speak only Bengali. If 25 percent of...