Question
A mother's age is 4 times her daughter's age. After 10 years, the mother's age will be twice the daughter's age. What is the daughter's present age? / एक माता की आयु उसकी पुत्री की आयु की 4 गुनी है। 10 वर्ष बाद माता की आयु पुत्री की आयु की दोगुनी होगी। पुत्री की वर्तमान आयु क्या है?
Option 2 : 5 years / 5 वर्ष
Detailed Solution
सही उत्तर 5 years / 5 वर्ष है।
Let the daughter's age be x: 4x + 10 = 2(x + 10), so 2x = 10 and x = 5 years. / माना पुत्री की आयु x है: 4x + 10 = 2(x + 10), अतः 2x = 10 और x = 5 वर्ष।
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prepsnap.in • Numerical AbilityQuestion:
A mother's age is 4 times her daughter's age. After 10 years, the mother's age will be twice the daughter's age. What is the daughter's present age? / एक माता की आयु उसकी पुत्री की आयु की 4 गुनी है। 10 वर्ष बाद माता की आयु पुत्री की आयु की दोगुनी होगी। पुत्री की वर्तमान आयु क्या है?
Correct Answer: 5 years / 5 वर्ष
Let the daughter's age be x: 4x + 10 = 2(x + 10), so 2x = 10 and x = 5 years. / माना पुत्री की आयु x है: 4x + 10 = 2(x + 10), अतः 2x = 10 और x = 5 वर्ष।