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Q. The present average age of a couple and their son is 35 years. Fifteen years from now, the age of the mother will be equal to the sum of present ages of the father and the son. Find the present age of mother?


Q. एक जोड़े और उनके बेटे की वर्तमान औसत आयु 35 वर्ष है। अब से पंद्रह साल बाद, माता की आयु पिता और पुत्र की वर्तमान आयु के योग के बराबर होगी। माँ की वर्तमान आयु ज्ञात कीजिये?

A

41 years
41 साल
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B

43 years
43 साल
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C

45 years
45 साल
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D

47 years
47 साल
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Solution

The correct option is C
45 years
45 साल
f+m+s3 = 35
=> f + m + s = 105 --- (1)
m + 15 = f + s
Substituting f + s as m + 15 in (1), we get
2m + 15 = 105
2m = 90 => m = 45 years.


f+m+s3 = 35
=> f + m + s = 105 --- (1)
m + 15 = f + s
(1) में f + s के स्थान m + 15 को रखने पर,हमें प्राप्त होता है,

2m + 15 = 105
2m = 90 => m = 45 वर्ष.


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