In a class 40% of the students enrolled for Math and 70% enrolled for Economics . If 15% of the students enrolled for both Math and Economics, what % of the students of the class did not enroll for either of the two subjects?

How many diagonals does a 63 - sided convex polygon have?

Rakib, Raja and Rajib paid a total of 369 taka for their dinner at a restaurant , If Rakib paid 2/3 of the tot...

A shopkeeper marks an article at such a price that after allowing a discount of 30% on the tag price he makes...

A man purchased equal number of banans at two different rates one at the rate of 8 taka per dozen and the othe...

If one man or two women or three boys can finish a job in 66 days, then find out the number of days in which t...

On sports day. if 30 children were made to stand in a column, 16 columns could be formed. If 24 children were...