A student first reduced a number by 20 percent and then increased it again by 20 percent . If the difference between the two new numbers was 8, then what is the original number ?

In a university, 80 percent of the students lived in hostel , and 60 percent of the hostel students are lucky...

If four triangles are constructed with sides of the length indicated below, which of the following triangles w...

A shirt marked TK. 12.50 is sold at TK. 10.00. The rate of discount on the marked price is -

If the product of three consecutive integers is 210, then the sum of the two smaller integers is -

0.1 is how many times greater than 0.001?

A man walked 2 km east, then 2 km south, then again 4 km east and finally 10 km north. How far in a straight l...