If the population of a town is 64000 and its annual increase is 10%, then its population at the end of 3 yeas will be :

The sum of the HCF and LCM of two numbers is 680 and the LCM is 84 times the HCF. If one of the numbers is 56, the other is : 

Three men step off together from the same spot. Their steps measure 63 cm, 70 cm and 77 cm respectively. The minimum distance each should cover so that all can cover the distance in complete steps is 

The product of two numbers is 45 and their difference is 4. The sum of squares of the two numbers is

The number of pairs of natural numbers the difference of whose squares is 45 will be –

The respective ratio of, the present age of a mother and daughter is 7 : 1. Four years ago the respective ratio of their age was 19 : 1. What will be the mother’s age four years from now? 

A team of 8 persons joins in a shooting competition. The best marksman scored 85 points. If he had scored 92 points, the average score for the team would have been 84. The number of points the team scored was

A batman has a certain average of runs for 12 innings. In the 13^th inning, he scores 96 runs thereby increasing his average by 5 runs. What will be his average after 13^th inning?