A number consists of two digits. If the digits interchange places and the new number is added to the original number, then the resulting number will be divisible by which of the following?

A box contains 2 white balls, 3 black balls and 4 red balls. In how many ways can 3 balls be drawn from the bo...

A bank offers 5% compound interest calculated on half-yearly basis. A customer deposits Tk. 1600 each on 1st J...

Two number M and N are such that the sum of 5% of M and 4% of N is two-third of the sum of 6% of M and 8% of N...

Ranu and Rabu appeared at an examination. Rabu secured 9 marks more than Ranu and her marks was 56% of the sum...

In a class, 20% of the students are below 20 years of age. The number of students above 20 years of age is two...

A large cube is formed from the material obtained by melting three smaller cubes of 3,4 and 5 cm side. What is...