Question
The difference between a number and its four –
seventh is 60. What is the number?Solution
Let the number be x. According to the question, x - 4x/7 = 60 3x/7 = 60 x = (60 × 7)/3 = 140
- Calculate the largest 5-digit number which is divisible by β64β
Divisor is 8 times of Quotient and 3 times of its remainder. If the remainder is 8. Find the dividend?
The ratio of two natural numbers 'x' and 'y' is 9:13, respectively. When 30 is added to 'x' and 15 is subtracted from 'y', the ratio of 'x' to 'y' becom...
A number is divided by 50. The quotient obtained is 60% more than the divisor, and the remainder is 80% of the divisor. Find the original number.
- The product of two positive numbers is 288. If one of the numbers is six times the other, then find the difference between the given two numbers.
- The nine-digit number 7x31265y2 is divisible by 88. Find the value of β(xy), given that x < 8 and y < 8.
- Let βpβ denote the number of primes from 1 to 30, and βqβ be the number of prime numbers in the range 31 to 50. What is the product p Γ q?
Determine the total no of odd factors of the number 4200.
Find the value of 'a' in the given data if the mean of the given data is 22.
14, 18, 20, 25, 27, 30, 24, a, 16, 20
When a number is increased by 8, it becomes 120% of itself. The number is: