when 20% of a number is added to another number the number
increases by 50%.what is the ratio of the first number to
the second?
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Answer / priya
M sorry for my privious ans ..lyk others even i havnt read
question properly
let 1st no is x and 2nd is y
(20/100)*x + y = (50/100)*y+y
(20/100)*x = (50/100)*y
x/y = 50/20
x/y = 5/2
so Correct ans is x : y = 5 : 2
| Is This Answer Correct ? | 12 Yes | 3 No |
Answer / joti
10:13
20% of 1st no+ 2nd no=1st no+50% of 1st no;
therefore the ratio of 1st no to 2nd no is 10:13
| Is This Answer Correct ? | 4 Yes | 5 No |
Answer / priya
let 1st no is x and 2nd is y
(20/100)*x + y = (50/100)*x+x
y = (50/100)*x + x - (20/100)*x
y = (30/100)*x +x
y = x ( 30/100 + 1)
y/x = (130/100)
y/x = 13/10
so ans is x : y = 10 : 13
| Is This Answer Correct ? | 5 Yes | 7 No |
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