The students of a school are made to stand in rows. If the number of students in each row is increased by 4, there would be 2 rows less. If the number of students in each row is reduced by 4, there would be 3 rows more. Find the number of students in the school.
There is a right cylindrical vessel of radius 3 cm and height 32 cm which is full of ice-cream. This ice-cream needs to be filled in cones of height 10 cm and radius 3 cm having a hemispherical shape on the top. How many such cones can be filled with ice-cream?
A survey of 800 girls of a school was conducted and it was found that 144 girls like coffee while 656 dislike it. Out of these girls, one girl is selected at random.
What is the probability that the selected girl likes coffee?
SR48000 were divided equally among a certain number of persons. Had there been 20 more persons each would have got SR200 less. Find the original number of persons.
In this diagram, the triangle represents women, the square represents lawyers and the circle represents tall. Find the number of lawyers who are not tall.