Find the speed of the boat in still water, if a boat covers a certain distance upstream in 2 hours, while it c…

if it takes 60 seconds to complete one round around the clock what would be the time required to complete 1200 rounds of…

When 0.36 is written in simplest form, the sum of the numerator and the denominator is :

The difference between simple and compound interest for the fourth year is Rs. 7280 at 20% p.a. What is the principal su…

What is 12 percent of 80 percent of 50?

Sobha's father was 38 years of age when she was born while her mother was 36 years old when her brother four years young…

A runs 25% faster than B and is able to allow B a lead of 7 meters to end a race in dead heat. What is the length of the…