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Question

Find the vlues of "a" an "b" from the table, if both x and y are in proportional relationship.


A
a=290,b=1555
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B
a=280,b=1655
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C
a=290,b=1655
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D
a=280,b=1555
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Solution

The correct option is A a=290,b=1555
It is already given that "x" and "y" are in a proportional relationship.

So, value of yx = Constant

Observing the values from the table, we get:
2501255=2701355=10

So, Output = 10×Input -----(1)

Therefore, the value of "a" will be:

1455×10=290=a

Equation 1 can also written as input = Output10

Therefore, the value of "b" will be:

31010=1555=b

"a" is 290 and "b" is 1555.

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