CTS Company Numerical Ability Ratio and Proportion

The ratio of white balls and black balls is 1:2. If 9 gray balls is added it becomes 2:4:3. Then what is number of black balls ?

Read Solution (Total 1)

3x=9
=>x=3
now white balls=2*3=6
black balls=4*3=12
so ratio of white and blak balls=1:2(proved)
blk balls=12 ans:::
10 years agoHelpfull: Yes(3) No(0)

CTS Other Question

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