Question
The speed of a boat in downstream is 20% more than
speed of boat in still water. If the boat travels a distance of 90 km upstream in 15 hours then find the time taken by the boat to cover a distance of 252 km in downstream.Solution
The difference between a number and its four – seventh is 60. What is the number?
Determine the total no of odd factors of the number 4200.
- 75% of 'A' equals (15/8) times 'B'. Determine the ratio A:B, assuming A and B are co-prime numbers.
Find the remainder when the number (289n + 147) is divided by 17.
A waiter income consist of his salary and tips. During one week his tips were 4/5 of his salary. What portion of his income came from tips?
What is the value of 1² + 3² + 5² + 7² + 9² ................ 19²?
'N' is the largest three-digit number that leaves 2 as a remainder when divided by 9, 12 and 5, Find the sum of digits of 'N'.
How many terms are there in the geometric progression 4, 20, 100...... 62500?
Determine the following number which is divisible by 3?
If two numbers add up to 12 and the sum of their cubes is 1728, then what is the product of the two numbers?
