CATNumber System > Medium595959494949565656464646✅ Correct Option: 4Related questions:CAT 2017 Slot 2How many different pairs (a,b)(a, b)(a,b) of positive integers are there such that a≤ba ≤ ba≤b and 1a+1b=19\frac{1}{a} + \frac{1}{b} = \frac{1}{9}a1+b1=91CAT 2020 Slot 2The number of pairs of integers ( x,yx, yx,y ) satisfy x≥y≥−20x \geq y \geq-20x≥y≥−20 and 2x+5y=992 x+5 y=992x+5y=99 isCAT 2020 Slot 3Let N,xN, xN,x and yyy be positive integers such that N=x+y,N = x + y,N=x+y, 2<x<102 < x < 102<x<10 and 14<y<2314 < y < 2314<y<23. If N>25N > 25N>25, then how many distinct values are possible for N?N?N?