Average of all prime numbers between 30 to 50 is:

If the cost price is 25% of selling price then what is the profit percent?

A and B together have Tk. 1210. If 4/15 of A's amount is equal to 2/5 of B's amount. How much amount B has?

If a person walks at 14 km/hour instead of 10 km/hour, he would have walked 20 km more. The actual distince tr...

What is the square root of 0.16?

A cistern 6m long and 4m wide contains water up to a depth of 1 m 25 cm. The total area of the wet surface is:

In what time period will simple interested on Tk. 500 at 5% be equal to the interest on Tk. 400 for 5 years at...