Out of three numbers, the ratio between the first and the second numbe – McqOptions

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1.	Out of three numbers, the ratio between the first and the second number is 6 : 7, and the ratio between the second and the third number is 8 : 9. If the difference between the first and the third number is 150, then find the average of the first and the second number.
A.	502
B.	602
C.	520
D.	620
Answer» D. 620

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