Elitmus Exam Numerical Ability

1/a - 1/b = 1/c where a,b,c are single digit number and b > a . Then we have to find how many values are possible for a,b,c as per the given conditions..?

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Elitmus Other Question

Given a 3 digit number. for example 343 and the multiplication of the digits will give 36. as for example 3*4*3 = 36.

This way how many possible three digit numbers can be formed ??
Katrina is running. She ..


A.has been running
B.had been running
C.is
D. Was