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kundan

· started a discussion

· 1 Months ago

ratio (Question:111067.0)

didnt understand...pls explain

Question:
One year ago, the ratio between Laxman’s and Gopal’s salaries was 3 : 5. The ratio of their individual salaries of last year and present year are 2 : 3 and 4: 5 respectively. If their total salaries for the present year are Rs.4300, find the present salary of Laxman.
Options:
A) \(\unicode{x20B9} \)1200
B) \(\unicode{x20B9} \)1600
C) \(\unicode{x20B9} \)1800
D) Can’t be determined
E) None of these
Solution:
Ans: (c) 


Present 3 × \(\cfrac{3}{2}\) : 5 × \(\cfrac{5}{4}\)

⇒ 18 : 25

∴ Present salary of Lakshman

= \(\cfrac{4300}{18+25}\) × 18 = 1800

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