exam
Maths Puzzle
General Ability
A puppy sleeps in the middle of his bed. His height quadruples each day. In 20 days his height will be same as the length of the bed. What will be the height of the puppy in 10 days?
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exam Other Question
2,3,5,11,23,29,41,53,83,89,_
what is the logic to evaluate f(n,k) where f(n,k)= number of ways in which n can be written as the Product of k distinct positive integers.
For example, f(144,4) = 7. There are 7 ways in which 144 can be written as a product of 4 distinct positive integers:
144 = 1×2×4×18
144 = 1×2×8×9
144 = 1×2×3×24
144 = 1×2×6×12
144 = 1×3×4×12
144 = 1×3×6×8
144 = 2×3×4×6