Question
Find the value of 'a' in the given data if the mean of the given data is 21. 15, 18, 20, 19, 22, 24, 17, a, 25, 16
More No. System Questions
- Find the average of first 25 whole numbers.
- Asha has joined LinkedIn and has 10 friends and each of these friends has 15 friends. Later, it is found that at least two of her friends know each other a...
- What is the average of first 28 multiples of 2.8?
- The sum of two numbers is 30 whereas the sum of their reciprocals is (5/12). Find the square of the product of the two numbers.
- Find the sum of all the numbers between 3000 and 14000, which are divisible by 25, 30 and 40.
- A two-digit number has a sum of its digits equal to 10. Additionally, if 36 is subtracted from this number, the resulting number has its digits reversed. W...
- A boy was asked to find 7/16 of a number. Instead, he found 3/4 of it. His answer was 110 greater than the correct answer. What is the number?
- When a least four-digit number 'x' is divided by 120, 100, and 80, it leaves a remainder of 15 in each case. What least number must be added to 'x' so that...
- Find the remainder when the number (289n + 119) is divided by 17.
- Find the maximum value of (a + b) if '7a253b2' is divisible by 12.
Relevant for Exams:
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
