What will come in place of question mark (?) in the following number series.?
For the following questions answer them individually
Difference between the digits of a two digit number is 5 and the digit in the unit’s place is six times the digit in the ten’s place. What is the number?
Populations of two villages X and Y are in the ratio of 5:7 respectively.If the population of village Y increases by 25000 and the population of village X remains unchanged the respective ratio of their populations becomes 25:36 What is the population of village X ?