Class 5 practice
Class 5 reasoning questions.
Reasoning questions for Class 5, at the level of students aged 9–11, each with its answer and a short explanation. Try each one before opening the answer.
Ananya is taller than Bhavna. Charu is taller than Ananya. Divya is shorter than Bhavna. Who is the tallest?
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Answer: Charu
Charu is taller than Ananya, and Ananya is taller than Bhavna and Divya. Therefore, Charu is the tallest of all four.
Look at these four shapes: Square, Circle, Triangle, Cube. Which shape does not belong with the others?
Level 3 of 5Show the answer
Answer: Cube
Square, circle, and triangle are all two-dimensional flat figures. A cube is a three-dimensional solid shape.
Two identical balls balance with three identical blocks on a scale. How many blocks will balance four such balls?
Level 3 of 5Show the answer
Answer: 6
If 2 balls weigh the same as 3 blocks, doubling to 4 balls means doubling to 6 blocks.
All roses are flowers. Some flowers are red. Which statement is definitely true?
Level 3 of 5Show the answer
Answer: A rose is definitely a flower
The first statement clearly says that all roses are flowers, so any rose is definitely a flower.
Look at the number pattern: 3, 7, 15, 31, __. Which number comes next?
Level 3 of 5Show the answer
Answer: 63
Each number doubles and adds 1: (3 × 2) + 1 = 7, (7 × 2) + 1 = 15, (15 × 2) + 1 = 31, and (31 × 2) + 1 = 63.
Anita, Biju, and Chitra sit in a line. Anita is left of Biju. Chitra is right of Biju. Who sits in the middle?
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Answer: Biju
From left to right, their sitting order is Anita, Biju, and Chitra. Biju is in the middle.
Today is Wednesday. Rohan's birthday is in 16 days. On which day of the week will his birthday fall?
Level 3 of 5Show the answer
Answer: Friday
Two full weeks make 14 days, falling on a Wednesday. Adding 2 more days gives Friday.
In a secret code, CAT is written as DBU. How is DOG written in that same code?
Level 3 of 5Show the answer
Answer: EPH
Each letter shifts forward by one position in the alphabet: D becomes E, O becomes P, and G becomes H. So, DOG becomes EPH.
Two identical erasers balance one sharpener on a scale. Three sharpeners balance one notebook. How many erasers balance one notebook?
Level 3 of 5Show the answer
Answer: 6
One notebook equals three sharpeners. Since each sharpener equals two erasers, three sharpeners equal 3 × 2 = 6 erasers.
A bus leaves Chennai every 40 minutes. The last bus left at 10:15 am. At what time will the next bus leave?
Level 3 of 5Show the answer
Answer: 10:55 am
Adding 40 minutes to 10:15 am gives 10:55 am. So, the next bus departs at 10:55 am.
Look at this number pattern: 2, 5, 10, 17, 26, __. What number comes next?
Level 3 of 5Show the answer
Answer: 37
The difference between consecutive numbers increases by 2 each time (+3, +5, +7, +9). Adding 11 to 26 gives 37.
Two identical books weigh the same as six notebooks. How many notebooks balance one book?
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Answer: 3
Dividing 6 notebooks equally between the 2 books gives 3 notebooks for each book.
- True or false?
Rohan is older than Priya, and Priya is older than Deepa. Therefore, Rohan must be older than Deepa.
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Answer: True
If Rohan is older than Priya, and Priya is older than Deepa, then by transitivity Rohan is older than Deepa.
- True or false?
Rohan is taller than Priya. Priya is taller than Amit. Therefore, Amit is the tallest of the three.
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Answer: False
Since Rohan is taller than Priya and Priya is taller than Amit, Rohan is the tallest. Amit is the shortest of the three.
- True or false?
Arun is taller than Bina, and Bina is taller than Chetan. Therefore, Chetan is shorter than Arun.
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Answer: True
If Arun is taller than Bina and Bina is taller than Chetan, Arun must be the tallest. Thus, Chetan is shorter than Arun.
- Fill in the blank.
If yesterday was Wednesday, then the day after tomorrow will be ___ [first letter: S].
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Answer: Saturday
If yesterday was Wednesday, today is Thursday. Tomorrow is Friday, so the day after tomorrow is Saturday.
- Fill in the blank.
In a row of 15 cars, the red car is 6th; exactly ___ cars are behind it.
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Answer: 9
Since the red car occupies the 6th position, the number of cars behind it is 15 minus 6, which equals 9.
- Fill in the blank.
Just as a pentagon has five sides, an eight-sided flat shape is an ___ [an eight-sided polygon].
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Answer: octagon
In geometry, a polygon with eight straight sides and eight angles is called an octagon.
Which planet is the odd one out?
Level 3 of 5Show the answer
Answer: Mars
Mars is a rocky terrestrial planet, while Jupiter, Saturn, and Neptune are giant gas and ice planets.
Which edible plant part is the odd one out?
Level 3 of 5Show the answer
Answer: Carrot
Potato, ginger, and turmeric are all modified underground stems that store food. A carrot is a modified taproot.
These questions come from Ado’s question bank and are written with AI help. They are never used in ranked play, so practising them here can’t change anyone’s rank.
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