স্কুলের কোন ক্লাসের ৩২ জন ছাত্রের মধ্যে ১৮ জন গান পছন্দ করে, ১৬ জন কবিতা পছন্দ করে এবং ৭ জন দুটিই পছন্দ করে। কতজন কোনোটিই পছন্দ করে না?

A is thrice as good as workman as B and therefore is able to finish a job in 60 days less than B. Working toge...

Riaz spent 20% of his income on taxes and 20% of the remainder on rent . What percent of his income has he spe...

What is the slope of the line that contains the points ( 1, 3 ) and ( 4, -3 ) ?

The price of corn rose 20% two years ago and 15% last year . what is the combined percent increase in price ?

The organizers of a fair projected 25% increase of visitors this year over that of the last year but the actua...

75% of students of a class answered Question No. 1 correct and 55% answered Question No. 1 correct and 20% ans...