Tulika got 95% marks in Physics, Chemistry and Maths together and 225 marks in Computer, English and Hindi. If maximum marks in each subject is 100, what is the total percentage marks obtained by Tulika in all the six subjects together?

Of the three numbers, the ratio of the first and the second is 8 : 9 and that of the second and third is 3 : 4. If the product of the first and third number is 2400. then the second number is: 

The sum of the squares of three numbers is 532 and the ratio of the second and also of the second to the third is 3 : 2 . What is the second number?

6 carpenters make 96 windows in 16 days. If 8 carpenters work for 4 days how many windows will they make?

A line passing through the origin perpendicularly cuts the line 3x – 2y = 6 at point M. Find the co-ordinates of M. 

A pipe of diameter ‘d’ can drain a certain water tank in 40 minutes. The time taken by a pipe of diameter ‘2d’ for doing the same job in: 

One angle of pentagon is 140°. If the remaining angles are in the ratio 1 : 2: 3: 4, the size of the greatest angle is:

If 3x+0.04x=0.608, find x.