Question
A girl was asked to determine 4/7 of a number. By mistake she worked out 5/7 of the number. Her answer was 84 more than what it should have been. Find the number.
More No. System Questions
- Which of the following is a prime number?
- If the first term of a geometric progression (GP) is 12 and the common ratio is 4, then find the sum of its 4 terms.
- Find the largest four-digit number which when divided by 8, 9, 11, and 12, leaves a remainder 3, 4, 6, and 7 respectively.
- If the sum of two positive numbers is 37 and the difference between these two numbers is 5, then what is the product of the two numbers?
- The least number 'Y' which when divided by 15, 20, and 45 leaves 2 as the remainder in each case. Find the value of ('3Y' - 5).
- A number when divided by 35, leaves 18 as remainder. If the same number is divided by 7, what would be the remainder?
- The sum of five consecutive even integers is 90. Determine (cube of the smallest) minus (square of the largest).
- A two-digit number has a digit-sum of 9. Subtracting 27 from it gives the number with digits reversed. What is the number?
- How many integers between 1 and 1000 (inclusive) are divisible by 8 but not divisible by 12?
- Find the average of the cubes of the first 7 natural numbers.
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