In a class there are 80 students and their average marks in the annual examination is 45.If the average marks of passed students is 55 and the average marks of failed students is 30,then find out the number of students who failed.
All I wanted to do was put together one of the best home maths systems in the world, and that's what we've done. I've loved numbers since I was two or three, and I get really excited about them. Now, I'm allowing myself to get excited about things. If you
KEERTHI
If you think dogs can't count, try putting three dog biscuits in your pocket and then giving tommy only two of them.