exam Maths Puzzle Numerical Ability

. The director of a summer day camp estimates that 100 children will join if the camp fee is $250, but for each $20 decrease in the fee, ten more children will enroll.

A. Determ

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exam Other Question

find the distance between each pair of points

(-3,0) and (4,0) Suppose n is positive integer. Then (n^2+n)(2n+1)

option
may not be divisible by 2
is always divisible by 2 but may not be divisible by 3
is always divisible by 3 but may not be divisible by 6
is always divisible by 6