Question : A number K is a positive integer with special property that 3 times it’s unit equals 2 times it’s 10th digit. How many such numbers exist between 10 and 99? (A) 2 (B) 3 (C)4 (D) 5\[\] Solution:…
Posted inAdvanced Math
Question : A number K is a positive integer with special property that 3 times it’s unit equals 2 times it’s 10th digit. How many such numbers exist between 10 and 99? (A) 2 (B) 3 (C)4 (D) 5\[\] Solution:…