Dry farming is the cultivation of crops in areas where annual rainfall is less than 750 mm per annum with less than 75 days of crop growing season.
The average cost price of 13 pens (having equal cost price) decreased by Rs.3, when one of the pen is replaced by a new pen having cost price of Rs.60. ...
The average age of a group of five friends is 78 years. If a friend, aged 48 years, is replaced by another friend, then the avera...
The average weight of 6 employees in an office increases by 3 kg when the boss is included. The sum of the average weight of the 6 employees and the bos...
In a school with 400 students, the average age of the boys is 16 years and that of the girls is 12 years. If the average age of school is 14 years 9 m...
The average of 7 consecutive numbers is 20. The largest of these numbers is
Average of 20 numbers is 90. Average of first 8 numbers is 103 while average of last nine numbers is 40. If ninth number is 25% less than the tenth numb...
In an examination the average marks of Rohit is 55. If he got 15 more marks in science and 27 more marks in maths then his average would have been 61. F...
The average age of 21 children is 30 years. 4 new children, whose average age is 15 years, join them. Find the average age of the 25 children.
The average weight of 15 boys in a group is 48 kg. If the collective weight of 12 girls in another group is 25% lower than that of the boys, what is the...
