Directions: Find Correct Spelling in given words.

If the digits of the number 5 4 3 2 1 6 9 8 7 are arranged in an ascending order then how many digits remain in the same position?

The World Health Organization observes World Rabies Day on 28 September. This day marks whose dealth anniversary?

Portable computer, also known as laptop computer, weighing between 4 and 10 pounds is called–

Two train of length 100 meter and 80 meter respectively run on parallel lines of rails. When running in the same direction the faster train passed the slower one in 18 second, but when they are running in opposite directions with the same speed as earlier, they pass each other  in 9 seconds. Find the speed of each train.

The atomic mass of an element has the maximum number of electrons in its second orbit—

Who said this is a study of ground floor?