Question
Arvind's age after 19 years will be 67 years. Ravi is 4
years older than Arvind. The ratio of present ages of Samar and Ravi is 9:13. Find the age of Samar 13 years ago?Solution
Present age of Arvind = 67 – 19 = 48 years Present age of Ravi = 48 + 4 = 52 years Now, ratio between the ages of Samar and Ravi = 9:13 Since, Ravi’s age = 52 years Therefore, 13 unit = 52 years 1 unit = 4 years Similarly, Samar’s present age = 9 × 4 = 36 years Samar age 13 years ago = 36 – 13 = 23 years
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(15.022% of 20) × 46 ÷ 2.03 – 8.78 × 5.72 + 50.23% of 4820 = ?
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