Question

21. What must be added to each term of the
ratio 19:29. So that it becomes 4:5?
(A) 21
(B) 22
(C) 23
(D) 24​

Answer 1

Answer:

A.21

Step-by-step explanation:

19+21:29+21

40:50

4:5

Answer 2

Answer:

Let the no. to be added be x

19/29 + x/x = 4/5

5(19+x) = 4(29+x)

95+5x = 116 + 4x

5x -4x = 116 - 95

x = 21

Hence, 21 is the required no.

Option (a) 21____ans