there are some coloured balls in a bag in the ratio 4:9:7 . If the bag contains 1000
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Answer:
Let the number of balls be x
therefore, according to the given condition..The total number of balls is 1000
that is, 4x + 9x +7x = 1000
therefore, 4x + 16x = 1000
20x= 1000
x = 1000
20
x = 50
Here, let 4 be white balls.
let 9 be red balls
let 7 be blue balls
White balls= 4×50
= 200 balls
Red balls= 9×50
= 450 balls
Blue balls = 7×50
=350 balls
Rechecking:-
200+450+350=1000
Hence, the answer is proved right.
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