1.

Out of the three numbers, the ratio between the first and the second number is 5 : 6 and the ratio between the second and the third number is 15 : 16. If the difference between the first and the third number is 700, find the average of all the numbers.

A. 2900
B. 3200
C. 3000
D. 2850
E. 2700
Answer» B. 3200


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