Question
'P' and 'Q' have present ages in
the ratio of 4:5. If Q’s current age is increased by 20%, the gap between their ages becomes 14 years. Find Q’s present age.Solution
ATQ, Let the present age of P and Q 4p and 5p respectively According to question, 6/5 × 5p – 4p =14 2p = 14 p = 7 Present age of Q = 5p = 5 × 7 = 35 years
Nitrous Oxide (N2O) is also known as –
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