A car can travel 360km with a ¾ full tank. How many km can it travel with a 2/3 full tank?




1;

A jar contains 10 liters of milk. After selling 1 liter of milk, the milkman adds 1 liter of water to the jar. He repeats the process again. What is the percentage of milk contained in the jar now?



[14/04, 9:33 p.m.] Suraj Sir: In a class test, the average mark of Leena and Meena is 80. The average of Meena and Reena is 85 and the average of Leena and Reena is 90. Find Meena’s mark.



[3; The average of 5 consecutive odd numbers is 25. Find the smallest of these numbers.


Solution:




4;  Find the average of all composite numbers between 1 and 15.


Solution: 

5Find the average of the first ten multiples of 3.


Solution:



[14/04, 9:35 p.m.] Suraj Sir: Vinay scores 96 in the first internal and 82 in the second internal. How much should he score in the third internal in order to get an average of 90?