The average weight of 12 crewmen in a boat is increased by (1)/(3) kg, when one
The average weight of 12 crewmen in a boat is increased by (1)/(3) kg, when one of the crewmen whose weight is 55 kg…
The sum of the three consecutive even numbers is 44 more than the average of the
The sum of the three consecutive even numbers is 44 more than the average of these numbers. Which of the following is the third…
The average of ten numbers is 7. If each number is multiplied by 12, then the av
The average of ten numbers is 7. If each number is multiplied by 12, then the average of the new set of numbers is…
The average of two numbers is 6.5 and square root of their product is 6. What ar
The average of two numbers is 6.5 and square root of their product is 6. What are the numbers?
The mean temperature of Monday to Wednesday was 37°C and of and of Tuesday to T
The mean temperature of Monday to Wednesday was 37°C and of and of Tuesday to Thursday was 34°C. If the temperature on Thursday was…
A, B, C and D are four consecutive even numbers respectively and their average i
A, B, C and D are four consecutive even numbers respectively and their average is 65. What is the product of A and D?
The average weight of three boys A, B and C is 54(1)/(3) kg, while the average w
The average weight of three boys A, B and C is 54(1)/(3) kg, while the average weight of B, D and E is 53…
The arithmetic mean of the series 1, 2, 4, 8, 16, . . . . . . , 2 n is –
The arithmetic mean of the series 1, 2, 4, 8, 16, . . . . . . , 2 n is –
While calculating the average of a batsman as 36 in 100 matches that he played,
While calculating the average of a batsman as 36 in 100 matches that he played, one of the scores 90 was incorrectly noted as…
The following table shows the number of working hours and the number of employee
The following table shows the number of working hours and the number of employees employed in a small scale industry No. of working hours…
The average of 8 numbers is 20. The average of first two numbers is 15(1)/(2) an
The average of 8 numbers is 20. The average of first two numbers is 15(1)/(2) and that of the next three is 21(1)/(3). If…
In Arun’s opinion, his weight is greater than 65 kg but less than 72 kg. His b
In Arun’s opinion, his weight is greater than 65 kg but less than 72 kg. His brother does not agree with Arun and he…