Question 6 of 75Find the number of words which can be formed by using the letters of the word EQUATION if each word has to start with a vowel.
Correct Answer: E
Question 7 of 75How many five digit numbers can be formed using the digits 0, 2, 3,4and 5, when repetition is allowed such that the number formed is divisible by 2 or 5 or both?
Correct Answer: D
Question 8 of 75A straight road runs from north to south. It has two turnings towards east and three turnings towards west. In how many ways can a person coming from east get on the road and go west?
Correct Answer: D
Question 9 of 75How many heptagons can be drawn by joining the vertices of a polygon with 10 sides?
Correct Answer: B
Question 10 of 75Four persons enter the lift of a seven storey building at the ground floor. In how many ways can they get out of the lift on any floor other than the ground floor?