Question

5. If 20, 25, 15 and x are in proportion, find the value of x.
(1) 14 (2) 18 (3) 21
(4) 24
. 11​

Answer 1

Answer:

20:25::15:x

20 × x = 25 × 15

20x = 375

x= 375/20

x= 18.75( approx. 18)

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Answer 2

Answer:

the difference between 20 and 25 is 5 .5is the prime number ,the next smallest prime number is 3 so 15 plus 3 is 18 .

if we choose next greter number 7 then ans should be 23 there is no answer

so I think 18 is the answer

I hope so it will crt

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