Math, asked by akaramk00786, 2 months ago

20 शैलेश एवं मुकेश की वर्तमान आयु का अनुपात 5:7 है। 18 वर्ष पूर्व उनकी आयु का अनुपात8:13)था। शैलेश की वर्तमान आयु है (अ) 20 वर्ष (ब) 40 वर्ष (स) 50 वर्ष (द) 70 वर्ष (स) है-​

Answers

Answered by sn7878790
0

Step-by-step explanation:

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Answered by singhveena78925
0

Answer:

c) 50 years

Step-by-step explanation:

let the present age of Shailesh be 5x

present age of mukesh = 7x

Shailesh's age before 18 years = 5x - 18

mukesh's age before 18 years = 7x - 18

A/Q

( 5x - 18 ) / ( 7x - 18 ) = 8 / 13

13( 5x - 18) = 8( 7x - 18 )

65x - 234 = 56x - 144

65x - 56x = 234 - 144

9x = 90

x = 10

hence,

present age of Shailesh = 5x

= 5 x 10

= 50 years

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