Question
The ratio of M, N and S is 2 : 7 : 9 respectively. If
their sum is 360, then what is the difference between M and S?Solution
The correct answer is B
There are three numbers 'd', 'e' and 'f' such that average of 'd' and 'e' is 10, average of 'e' and 'f' is 22 and average of 'd' and 'f' is 28. Find the...
S1 is a series of 5 consecutive prime numbers starting from the second lowest prime number. S2 is a series of 5 consecutive odd numbers whose first term...
The average age of three children is 20 years. If their ages are in the ratio 5:6:9. Find the age of the youngest child.
In a gathering of 30 guests, the average age of each guest in the class is 21 years. Later, 4 more guests join the party, causing the average age of the...
- The average score of a player in 30 matches is 42. In the next five matches, he scored 80, 70, 60, 55, and 45. What is his new average?
The average of two numbers ‘P’ and ‘Q’ is 480 such that they are in the ratio 5:7 respectively. Another number ‘R’ is 60 more than ‘Q’ a...
- The average marks obtained by 20 students in a test is 74. It was later found that 78 was wrongly recorded as 87 and 69 was wrongly written as 63. What is ...
The average of four consecutive odd numbers is 34. Find the largest of these numbers.
Aman spends an average of Rs. 400 on Sundays and Rs. 280 on the other days. Find his average spending in a 30-day month starting with Sunday.
- Average weight of a group of ‘x’ people increased by 2 kg, when a person weighing 68 kg joined the group, while the average weight increased by 3 kg wh...
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