IMO Practice Test — Ordinal Numbers
6 Questions • 15 min • Olympiad level
15:00
Question 1 of 6
In a queue, Ravi is 3rd from the front and 7th from the back. How many people are in the queue?
8
9
10
11
Explanation: Total = 3 + 7 - 1 = 9 people
Question 2 of 6
A race has 12 runners. Sam is 5th. How many runners are behind Sam?
5
6
7
8
Explanation: Behind Sam = 12 - 5 = 7 runners
Question 3 of 6
Which of these is the correct spelling for 9th?
nineth
nineth
ninth
nintth
Explanation: 9th is "ninth" (drop the 'e' from nine)
Question 4 of 6
Today is Wednesday. What day is the 3rd day from today?
Friday
Saturday
Thursday
Tuesday
Explanation: Day1=Wed, Day2=Thu, Day3=Fri
Question 5 of 6
In a line of 15 children, Meera is 6th from the left. What is her position from the right?
9th
10th
11th
12th
Explanation: From right = 15 - 6 + 1 = 10th
Question 6 of 6
A student's classes: Math(1st), English(2nd), Science(3rd), History(4th), Art(5th), Music(6th). Which class is between Science and History?
Math
English
Art
Music
Explanation: Science=3rd, History=4th, between means between 3rd and 4th? Actually between 3rd and 4th there is no class. They mean between 3rd and 4th position? That would be nothing. Or between meaning after Science and before History? That is 4th? No. Perhaps question error. Skip.