book Maths Puzzle Numerical Ability

Lynn, a chemist, mixed 40 mL of 8% hydrochloric acid with 60 mL of 12% hydrochloric acid solution. She used a portion of this solution and replaced it with distilled water. If the

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book Other Question

A family of four is preparing to run in the L.A. marathon. A father runs at four miles per hour, mother runs at three and one-half miles per hour, daughter runs at four and one-hal Express 1 + �3i in exponential form

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