If p : q = 2 : 3 and x : y = 4 : 5, then the value of 5px + 3qy : 10px + 4qy is
  • a)
    71 : 82
  • b)
    27 : 28
  • c)
    17 : 28
  • d)
    none of these
Correct answer is option 'C'. Can you explain this answer?

CA Foundation Question

2 Answers
Aakash Pandey answered Jun 04, 2018
p:q=2:3

let p=2k then q=3k

x:y=4:5

lt x=4u then y= 5u

5px + 3qy=5 (2k)(4u)+3(3k)(5u)=85ku

10px+4qy=10(2k)(4u)+ 4(3k)(5u)=140ku

hence 5px + 3qy:10px + 4qy = 85ku/140ku = 17/28

Rita Maske answered Oct 04, 2019
Put the value of x ,y and p,q

5*2*4+3*3*5/10*2*4+4*3*5

85/140 divisible by 5

17/28

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