जॉइन Examsbookउत्तर : 2. "4 yrs"
Present ages of Deepa and Hyma are in the ratio of 5:6 respectively. After four years, this ratio becomes 6: 7. What is the difference between their present ages?5
प्र: Present ages of Deepa and Hyma are in the ratio of 5:6 respectively. After four years, this ratio becomes 6: 7. What is the difference between their present ages?
- 16 yrsfalse
- 24 yrstrue
- 38 yrsfalse
- 42 yrsfalse
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उत्तर : 2. "4 yrs"
व्याख्या :
Answer: B) 4 yrs Explanation: Let the present age of Deepa = 5p Let the present age of Hyma = 6p After four years their ratio = 6 : 7 => 5p + 46p + 4 = 67 => 35p + 28 = 36p + 24 => p = 4 Therefore, the difference between their ages = 24 - 20 = 4 years.