For the following questions answer them individually
The population of a town 3 years ago was 84000. Due to migration to cities, it decreases every year at the rate of 10 percent. The present population of the town is :
The average income of 74 persons is Rs.5,200 and that of a manager is Rs.6,000. Then the average income of the whole group is (consider up to two decimals):
The shopkeeper gave 50 percent discount on marked price of Rs.750. What will be the selling price ?
In an exam, a student scored 40% on the first paper out of a total of 200. How much percentage should the student score in the second paper out of 200 if he has to get 60% marks overall?
A and B can finish a work in 15 days and 10 days, respectively. A started the work alone and after 5 days, B joined A in the work. They both did the remaining work. What is the total number of days to complete the work?
If Ramesh walks at a speed of 15 km/h, instead of 12 km/h, he would have walked 2 km more in the same time. What is the actual distance (in km) travelled by Ramesh at 12 km/h in the same time?
Work done by two men is equal to work done by three women, and work done by five women is equal to work done by seven boys. If 16 men can finish a work in 2 days, then in how many days the work will be completed by two boys?
The smallest number exactly divisible by 104, 78 and 260 is P. If $$P + 40 = Q^{2}$$, then what is the positive value of Q?