A survey of 200 people revealed that 140 of them can speak in Bangla and 70 of them can speak in English or both the languages. How many of them can speak in Bangla only?

If x = 2/3 what would be the value of x/(1+x)?

In how many ways a 3-member committee can be formed from 3 men and 3 women such that a particular man is alway...

If 2/3rd of the workers in an office are non smokers, what is the ratio of smokers to non-smokers?

50 girls and 100 boys were invited to a party. If 30% of the girls and 75% of the boys attended, what % of gue...

A book sells for Tk. 65. This price gives the seller a profit of 30%. what will be the new selling price (in T...

A parking garage rents parking spaces for Tk. 10 per week or Tk 30 per month. How much does a person save (in...