Each exterior angle of a regular polygon measures 9°. How many sides does the polygon have?

The rate of work of A and B is in the ratio 2 : 3. What will be the ratio of the days taken by them to complete the work?

What should be the least added to 41116 so that the sum is divisible by 8?

A and B can do a work in 18 and 24 days respectively. They worked together for 8 days and then A left. The remaining work was finished by B in 

The HCF of two numbers is 21 and their LCM is 840. If one of the numbers is 49, then the other number is:

The marked price of an item was ₹5,000. While selling the item, the seller offered successive discounts of 15% and 5%. What was the final selling price of the item?

If (x + 6y) = 8, and xy = 2, where x > O, what is the value of (x³+216y³)?

A, B and C invested capital in the ratio 5: 7: 4, the timing of their investments being in the ratio x : y : z. If their profits are distributed in the ratio 45: 42: 28, then x : y : z = ?