a, b are positive integers such thata `1/a+1/b=1/2015`. If `a lt b` then the number of pairs `(a,b)` is

Let a,b ,c be positive integers such that b/a is an integer. If a,b,c are in GP and the arithmetic mean of a,b,c, is b+2 then the value of (a^2+a-14)/(a+1) is

Let a,b ,c be positive integers such that b/a is an integer. If a,b,c are in GP and the arithmetic mean of a,b,c, is b+2 then the value of (a^2+a-14)/(a+1) is

Let a,b ,c be positive integers such that b/a is an integer. If a,b,c are in GP and the arithmetic mean of a,b,c, is b+2 then the value of (a^2+a-14)/(a+1) is

Let a,b ,c be positive integers such that b/a is an integer. If a,b,c are in GP and the arithmetic mean of a,b,c, is b+2 then the value of (a^2+a-14)/(a+1) is

Suppose a, b, c are positive integers with altbltc such that 1//a+1//b+1//c=1 . The value of (a+b+c-5) is …………

Suppose a, b, c are positive integers with altbltc such that 1//a+1//b+1//c=1 . The value of (a+b+c-5) is …………

Suppose a, b, c are positive integers with altbltc such that 1//a+1//b+1//c=1 . The value of (a+b+c-5) is …………

If a, b and c are positive integers such that (1)/(a+(1)/(b+(1)/(c+(1)/(2))))=(16)/(23) then what is the mean of a,b and c?

The number of ordered pairs (a,b) of positive integers such that (2a-1)/b and (2b-1)/a are both integers is