Question

Slect 3 balls and place them inside the circles, the sum must be 30. _+_+_=30
(1) (3) (5) (7)
(9) (11) (13) (15)

Answer 1

hey mate here is ur answer

The sum of three odd Numbers can never be even

30 is even .

Hence No 3 numbers will satisfy it.

Ans= No numbers as 3 odd number will never sum up to even number.

If even numbers are allowed

then answer can be 15+7+8

(15)(7)(8).

Answer=No number(when all odd)

hope it helps you.

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