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When India inaugurated planning and industrialisation in the early 1950s, it was possibly the most ambitious of such initiatives in the developing world.
There are 15 numbers such that average of first 12 numbers is 80 while the average of last five numbers is 110. Find the 12th number, if the ratio betwe...
The average age of a class of 18 girls is 14 years. If 2 new girls having average age of 10 years join the class, then the average age of the class beco...
A number is such that when it is multiplied by 5, it gives another number which is as much above from 210 as the original number (itself) is below 210. ...
A frustum of a cone has radii of 5 cm and 3 cm, and a height of 8 cm. What is its volume?
The average age of six members of a family is 40 years. If the age of a guest is included, then the average age increases by 12.5%. What is the age (in ...
The average age of a class of 24 girls is 16 years. If 6 new girls having average age of 12 years join the class, then the average age of the class beco...
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.
A bag contains 20 rupees note, 50 rupees note and 100 rupees note in the ratio 5:7:2. If the total amount in the bag is Rs 2,600, find the average numbe...
Average of 8 numbers is 25. If average of first four and last two numbers is 15 and 40, respectively then find the fifth number given that ratio of fift...
In a cricket match the captain of one of a team scored 26 runs more than the average runs scored by the remaining 6 batsmen of that team who batted in t...