Question
Six numbers are arranged in decreasing order. The average of the first five numbers is 40, and the average of the last five numbers is 35. What is the difference between the first and the last number?
Solution
More No. System Questions
- A two-digit number has a digit-sum of 9. Subtracting 27 from it gives the number with digits reversed. What is the number?
- The total of six consecutive even numbers in Set A is 402. In Set B, the smallest number is 15 less than twice the smallest number in Set A. What is the su...
- The sum of two numbers is 30 while the difference between these two numbers is 6. What is 50% of the product of the two numbers?
- Find the sum of the first 45 natural numbers.
- In a party, the ratio between number of present male and number of present female is 6:5 respectively. After 3 hours, 30 males join the party and 5 women l...
- Find the sum of the first 30 natural numbers.
- The value of
- Question 8
- In a two digit positive number, the digit in the unit’s place is equal to the square of the digit in ten’s place, and the difference between th...
- If 492x51 is a six-digit number that is divisible by 3, then find the maximum value of 9x.
Relevant for Exams:
