IMO Logical Reasoning Questions Grade 5

1. f in a certain code 793041 is written as MARTIN and 8265 as POSE, then how will 80451 be coded in the same code?

2. What is the value of 120 – 20 ÷ 5 – 2 × 10 + 4?

3. Subtract 29823 from the sum of 10832, 6874 and 13928. The answer is _____.

4. Shanaya is facing west. If she makes a 135° turn in the anticlockwise direction, which direction will she be facing?

5.

6. Standing on a platform, Amit told Sonia that Delhi was more than 10 km but less
than 15 km from there. Sonia knew that it was more than 12 km but less than
14 km. If both of them were correct, which of the following could be the distance
of Delhi from there?

7. Choose one word from the options which can be formed from the letters of the given word using each letter only once.
‘SIGNIFICANT’

8. In the following series one term is wrong. Find the wrong term.

2, 18, 4, 20, 8, 22, 16, 25, 32, 26

9. What is the maximum number of 3-digit numbers that can be formed using the digits 3, 5 and 7 only once?

10. Which one of the following does not belong to the set : 3/6  , 5/10 , 9/18