Question

30. In a three digit number the tens digit is the average of
the other two digits. The ratio of the number formed
by its first two digits and their sum equals the ratio of
the number formed by its last two digits and their sum.
How many three digit numbers satisfy these
conditions?
(A) 7
(B) 8
(C) 9
(D) 6
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Answer 1

Answer:

(D) 7

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Answer 2

Answer:

c) 9

the numbers are - 111, 222, 333, 444, 555, 666, 777, 888, 999