Question
How much amount of Common salt should be given to the
animal to fulfil its mineral requirement?Solution
Mineral mixture and common salt each @ 25-50 gm should be given to fulfill mineral requirement of animal.
The university has 750 faculty (male and female only) out of which the females are 60%. The average height of females is 162 cm and that of males is 168...
The average cost of three chairs is Rs.12000. The average cost decrease by 18% when one more chair is included. What is the cost price of the 4th
There are three numbers 'x', 'y' and 'z' such that average of 'x' and 'y' is 21, average of 'y' and 'z' is 19 and average of 'x' and 'z' is 20. Find the...
The mean weight of 'w' students in a classroom is 42 kg. When the class teacher, weighing 61.5 kg, is added to the group, the average weight increases b...
A basket contains 72 apples of different weights. The average weight of the apples in the basket is (m + 4) kg. If 24 apples with an average weight of (...
The average age of 16 girls is 35 years. If the age of two more girls is added the average decreases by 3.5 years. What is the sum of the age of new girls?
The average weight of 4 persons is 33 kg. The heaviest person’s weight is 30 kg more than the lightest person’s weight. If the average weight of the...
The average cost price of 18 pens (having equal cost price) decreased by Rs.2, when one of the pen is replaced by a new pen having cost price of Rs.74. ...
Average of 8 numbers is 70. If average of first four and last two numbers is 80 and 45, respectively then find the fifth number given that ratio of fift...
The average of 30 numbers was initially calculated as 45. However, it was later found that one of the numbers had been incorrectly recorded as 83 instea...
