By what count (in %), students from Country B at the seminar were more than the students from Country E?

A certain number of men complete a piece of work in 60 days. If there were 9 more men, then the work would be completed in 50 days. How many men are originally there?

Find the value of:

[(11+4) − 9×1÷3 of 4]

Two friends starts theirs bikes at the same time from A and B and travelled towards each other at the rate of 48 kmph and 42 kmph. When they meet at certain distance then one friend has covered 384 km more than the other friend. What is the distance between A and B ?

The volume of a solid sphere is 4851 m³. What is the surface area of the sphere? (Take Π = 22/7)

A person bought goods for total Rs. 400 and sells half of it at a gain of 5%. At what gain percent must he sell the remainder so as to gain 20% on the whole?

The marked price of an article is 50% above cost price. When marked price is increased by 20% and selling price is increased by 20%, the profit doubles. If original marked price is ₹ 300, then original selling price is

When 1058, 1139, 1274 and 1328 are divided by the greatest number x, the remainder in each case is y. What is the value of (x – 3y)?

If the height of an equilateral triangle is 12 cm, then what is the area of the triangle?

The average marks obtained by 240 students in a certain examination is 35. If the average marks of the passed candidates are 39 and that of the failed candidates are 15, then the total number of candidates who passed the examination is: