The cost of preparing a cricket ground of rectangular shape at 70 paisa per square meter is Tk. 420. Find the perimeter of the field if its sides are in the ratio of 3 : 2.

The number (6n²+ 6n) for natural n is always divisible by

For which of the following values of n is 100+n/n not an integer?

Robi has 10 pairs of matched socks. If he loses 7 individual socks, what is the greatest number of pairs of ma...

In a certain population, there are times as many people aged 21 or under as there are people over 21. The rati...

If the sum of three consecutive integers is odd, then the first and the last integers must be -

Of 30 applicants for a job, 14 had at least 4 years' experience, 18 had degrees, and 3 had less than 4 years'...