A man purchased 7 bags of rice at the rate of Rs. 800 each, 8 bags of rice at Rs
A man purchased 7 bags of rice at the rate of Rs. 800 each, 8 bags of rice at Rs. 1000 each and 5…
The arithmetic mean of the following numbers : 1, 2, 2, 3, 3, 3, 4, 4, 4, 4, 5,
The arithmetic mean of the following numbers : 1, 2, 2, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 5, 6,…
The average of 30 numbers is 40 and that of other 40 numbers is 30. The average
The average of 30 numbers is 40 and that of other 40 numbers is 30. The average of all the numbers is :
The average weight of 15 students in a class increases by 1.5 kg when one of the
The average weight of 15 students in a class increases by 1.5 kg when one of the students weighing 40 kg is replaced by…
The average age of 9 students and their teacher is 16 years. The average age of
The average age of 9 students and their teacher is 16 years. The average age of the first four students is 19 years and…
A cricketer has a mean score of 60 runs in 10 innings. Find out how many runs ar
A cricketer has a mean score of 60 runs in 10 innings. Find out how many runs are to be scored in the eleventh…
Total weekly emoluments of the workers of a factory is Rs. 1534. Average weekly
Total weekly emoluments of the workers of a factory is Rs. 1534. Average weekly emolument of a worker is Rs. 118. The number of…
Eight consecutive numbers are given. If the average of the two numbers that appe
Eight consecutive numbers are given. If the average of the two numbers that appear in the middle is 6, then the sum of the…
B was born when A was 4 years 7 months old and C was born when B was 3 years 4 m
B was born when A was 4 years 7 months old and C was born when B was 3 years 4 months old. When…
The average temperature on Tuesday, Wednesday, and Thursday was 41 degrees, and
The average temperature on Tuesday, Wednesday, and Thursday was 41 degrees, and on Wednesday, Thursday and Friday was 40 degrees. If on Friday it…
The average of some natural numbers is 15. If 30 is added to the first number an
The average of some natural numbers is 15. If 30 is added to the first number and 5 is subtracted from the last number…
The average of six numbers is 32. If each of first three numbers is increased by
The average of six numbers is 32. If each of first three numbers is increased by 2 and each of the remaining three numbers…