The 3rd and 8th term of an arithmetic  progression are 19 and 49 respectively. What is the 13th term?

A man can row 30 km downstream and return in a total of 8 hours. If the speed of the boat in still water is four times the speed of the current, then the speed of the current is: 

Sita and Gita enter into a partnership, Sita contributes 5000 while Gita contributes 4000. After 1 month, Gita withdraws $$ {1\over4}$$ part of her contribution and after 3 months from the starting , Sita puts 2000 more . When Gita withdraws her money, Rita also joins them with 7000. If at the end of 1 year, there is a profit of 1218, what will be the share of Rita in the profit? 

The sum of two numbers is 84 and their HCF is 12. Total number of such pairs of number is 

75 gm of sugar solution has 30 % sugar in it. Then the quantity of sugar that should be added to the solution to make the quantity of the sugar 70% in the solution is : 

The average age of 12 players of a team is 25 years. If the captain's age is included, the average age increases by 1 year. The age of the captain is: 

 ₹ 800 becomes ₹ 956 in 3 years at a certain rate of simple interest. If the rate of interest is increased by 4 %, what amount will ₹ 800 become in 3 years? 

The following line graph gives the percentage of the number of candidates who qualified an examination out of the total number of candidates who appeared for the examination over a period of seven years from 1994 to 2000.

The total number of candidates qualified in 1999 and 2000 together was 33500 and the number of candidates appeared in 1999 was 26500. What was the number of candidates in 2000?