If the ratio of the sum invested and simple interest received after 1 year is 20:7 respectively, then find the rate of interest.
Let the sum invested and simple interest received be Rs.20x and Rs.7x respectively. Let the rate of investment be r% p.a. Therefore, {(20x x 1 x r)/100} = 7x => r = 35%
If the seven-digit number 5728p9 is exactly divisible by 11, then what is the value of (11 p), where p > 0?
Which of the following numbers is divisible by 22?
Which of the following numbers is divisible by 22?
What is the number of divisors of 480?
If a number 'a' is divisible by 18 and another number 'b' is divisible by 12, then (a2 – b2) is divisible by:
If 3c2933k is divisible by both 5 and 11, where c and k are single-digit natural numbers, then c + k?
Find the greatest number that will divide 49, 147 and 322 to leave the same remainder in each case.
A number n when divided by 6, leaves a remainder of 3. What will be the remainder when (n² +5n+8) is divided by 6?
When a natural number 'n' is divided by 4, the remainder is 3. What will be the remainder when (2n + 3) is divided by 4?