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हिन्दी भाषा को मानक
रूप प्रदान करने का प्रयास सर्वप्रथम किया -Solution
The correct answer is A
- The mean of 60 numbers is 105. Calculate the new mean if all numbers are multiplied by 4.
The average age of a class of 27 girls is 18 years. If 3 new girls having average age of 8 years join the class, then the average age of the class becomes:
The average age of a class of 17 girls is 12 years. If 3 new girls having average age of 8 years join the class, then the average age of the class becomes:
There are 25 students in a class with an average age of 20 years. 5 more students join the class, reducing the average to 18 years. Find the average age...
The average age of 6 employees in a company rises by 2 years when a new employee’s age is added. If the sum of the initial average age of the 6 employ...
The average age of (x + 4) players in a team is 18 years. If a 38 years old coach joins the team, the average increases by 1 year. Find x% of 500.
A set contains ten numbers. The average of the first six numbers is (x - 5), and the average of the last three numbers is (x + 3). The average of the en...
Seven successive numbers have an average of 59. What is the total of their lowest and highest numbers?
- Average of first 3 numbers is half the average of next 6 numbers. If the average of all 9 numbers is 15, find the sum of the last 6 numbers.
At an event, the average number of men and women attending is 700. 65% of the men and 35% of the women are adults. If the total number of children at th...
