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
- What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)
- What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)
245.67 + 20.05² + ?³ = √961.89 * 34.02
What will come in place of the question mark (?) in the following series?
2, 4, 12, 60, 420, ?
√ 27556.11  × √ 624.9  – (22.02) 2  =? × 5.95Â
66.05 × 17.95 – 38.99 × 18.12 = (60 + ?) × 6
1080.04 – 330.18 + 449.98 ÷ 15.06 = ?
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)...
Monthly income of A is Rs. 66000 out of which he spent 18%, 11% and 21% of his total income in rent, medicine and transportation, respectively. Find his...
1 ÷ 6.43 of 191.90+75.03% of 220=?²-202.9
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