Question
The difference between the value of the number increased
by 20% and the value of the number decreased by 30% is 120. Find the number.Solution
Let the number be x According to the question x × 120/100- x × 70/100=120 120x - 70x = 12000 50x = 12000 x = 240
What is the average of first 24 multiples of 2.4?
When the digits are swapped, the new two-digit number equals 44 less than 120% of the original. The sum of the digits is 13. Determine the original number.
The ages of Geeta, Meera and Tina are in the ratio of 6:4:7 respectively. If the sum of their ages is 34 years, what is Meera’s age?
What is the largest common divisor of the numbers 1170, 2340, and 3510?
- Find the smallest perfect square that is divisible by 10, 14, 18, and 21. What is the remainder when it is divided by 85?
- Determine the total sum of all three-digit numbers that are divisible by both 2 and 7.
27 percent of a number exceeds 13 percent of the same number by 56. What is the value of the number?
A number when divided by 21 gives a remainder of 15. What will be the remainder when twice that number is divided by 21?
- What is the smallest positive number which is divisible by 9, 18, and 27?
‘Z’ is a two digit number in which the unit place digit is ‘P’ and the tens place digit is ‘Q’. The value of ‘P’ is smaller than the val...
Relevant for Exams:
