Male support engineer, brown hair, blue shirt, red tie: I'm calling regarding the problem you were having this morning with your email. Male, brown hair, white shirt: Our ratio of computers to support ...

Ratio and Proportion is one of the easiest concepts from competitive exam perspective. Questions from this concept are mostly asked in conjunction with other concepts like ‘Mixtures & Alligations’.

Two quantities are said to be in direct proportion if they increase or decrease in the same ratio. If two amounts are directly proportional we can scale the quantities up by multiplying. 150 ml × 5 = ...

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