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Maths Puzzle
Numerical Ability
Sum of first 25 terms in AP is 525, sum of the next 25 terms is 725, what is the common difference?
Read Solution (Total 1)
common difference, d= 8/25
9 years ago
Helpfull: Yes(2) No(0)
other Other Question
A right circular cone has height H and radius R. A small cone is cut off at the top by a plane parallel to the base. At what height above the base the section has been made?
Statement (I): H = 20 cm
Statement (II): Volume of small cone: volume of large cone : 1:15
Consider three classes A, B and C with 20, 30 and 50 students respectively. The averages score in maths of students in class B is 16 more than that of those in class C and the average score of those in class A is 2 more than the overall average of scores in A, B and C. What is the difference between average of class C and class A?