Tuesday, June 5, 2012

Section Test 1 PSLE exam challenging Ratio question 6


         Q6. James had a number of coloured balls in his ball pit. 1/4 of the ball were red, 2/3 of the remaining balls were blue and the rest were green, Given that there were 120 red and green balls altogether, how many balls were there in the ball pit?

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Q7 PSLE Questions best solved using Sakamoto method

Answer: