Question

9. If the difference of two consecutive number is 15 and greater of them is x then the smaller number is :
(a) 16 (b) 14 (c) 8 (d) 7

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Answer 1

the answer of option b because it is the smaller digit

Answer 2

Answer:

the greater number is x

the consecutive number is X-1

the difference between them is 15

=>X+(X-1) =15

=>2X=15+1

=>X=16/2

=>X=8 the greater number

the smaller number is =>15-8=7