If two digits of a two number are interchanged and the number thus obtained is subtracted from the original number, the difference is 18, what could be the difference between the two digits

3

9

1

Data inadequate

None of these

Correct Answer :

A number exceeds its four seventh by 18. What is the number

If m and n (n > 1) are whole numbers, such that mn = 121, the value of (m – 1)n + 1 is

if x/y=3/4 .the value of (6/7+y-x/y+x) is