CATNumber System > Medium101101101999999878787105105105✅ Correct Option: 2Related questions:CAT 2019 Slot 2How many pairs (m,n)(m, n)(m,n) of positive integers satisfy the equation m2+105=n2m^2 + 105 = n^2m2+105=n2?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 1If a,ba, ba,b and ccc are positive integers such that ab=432,bc=96ab = 432, bc = 96ab=432,bc=96 and c<9,c < 9,c<9, then the smallest possible value of a+b+ca + b + ca+b+c is