The Best Brain Boosting Set for Kids: Reasoning Set 8 Class 3

Hello children! Good morning, how are you? I hope you all are very good. Let’s jump into today’s class and boost those brain cells with some exciting reasoning questions.

Question 1: The Mysterious Number Between 30 and 60

Here’s our first brain teaser:

Question: I am a number between 30 and 60. Both my digits are the same. I come in the table of three but not in the table of six. Which number am I?

Well, let’s break this down step by step.

1. The number is between 30 and 60.

2. Both the digits are the same, meaning the tens place and ones place are the same.

So, considering the numbers between 30 and 60 with the same digits, we have:

• 33

• 44

• 55

Next, we need to check which of these numbers are in the table of three but not in the table of six.

• 33 : Divisible by 3? Yes. Divisible by 6? No.

• 44 : Divisible by 3? No.

• 55 : Divisible by 3? No.

So, the number we are looking for is 33.

“33 is the number which has both digits the same and which belongs between 30 and 60 and is also divisible by three.”

Question 2: Forming the Smallest Whole Number

Next up:

Question: What is the smallest whole number you can make using all the following digits: 8, 6, 7, 9, and 0?

Let’s solve this logically.

1. Arrange the digits from smallest to largest: 0, 6, 7, 8, 9.

2. The smallest digit cannot start with 0, so we start with the smallest non-zero digit.

Steps to arrange:

• Start with 6 (the smallest non-zero digit).

• Then place 0 next.

• Followed by the remaining numbers in ascending order: 7, 8, 9.

So, the smallest number we can form is 60789.

Let’s confirm with the options provided:

• Option A: 98760 – No

• Option B: 06789 – No

• Option C: 67008 – No

• Option D: 60789 – Yes

Question 3: Identifying the Month

Moving on:

Question: I am a word that is formed by the 12th, 10th, 21st, and 25th letters of the English alphabet. I also denote the name of a month. Who am I?

Let’s decode the letters:

• 12th letter: L

• 10th letter: J

• 21st letter: U

• 25th letter: Y

Linking them together gives us L, J, U, Y which spells JULY.

“July is our answer.”

Question 4: Matching Friends with Their Favorite Colors

Next challenge:

Question: There are four friends: Anil, Priyanka, David, and Peter. Each of them likes different colors: Gold, Green, Yellow, and Pink. Let’s figure out who likes which color.

• Priyanka’s favorite color name starts with the same letter as her first name.

• Anil likes a color that is not in the rainbow.

• David likes a color whose name has five letters.

• So, Peter will like the remaining color.

List of colors:

• Gold: Not in the rainbow.

• Green: In the rainbow.

• Yellow: In the rainbow.

• Pink: Not in the rainbow.

Steps to solve:

1. Priyanka likes Pink (P for Priyanka).

2. Anil likes Gold (Gold is not in the rainbow).

3. Among Green and Yellow, Green has five letters (G-R-E-E-N), so David likes Green.

4. That leaves Yellow for Peter.

So the colors are:

• Priyanka: Pink

• Anil: Gold

• David: Green

• Peter: Yellow

“Priyanka likes Pink, Anil likes Gold, David likes Green, and Peter likes Yellow.”

Question 5: Finding the Next Term in the Series

Last but not least:

Question: Find the next term in the series: 48, 40, 33, 27, 22, 18.

Let’s decode the pattern:

• 48 to 40: Decrease by 8

• 40 to 33: Decrease by 7

• 33 to 27: Decrease by 6

• 27 to 22: Decrease by 5

• 22 to 18: Decrease by 4

Following the pattern, the next decrease is by 3.

• 18 minus 3 equals 15

“So, our next term in the series is 15.”

Conclusion

Amazing job today, kids! You have worked through some brain-boosting reasoning problems that are sure to sharpen your minds. Keep practicing to improve your problem-solving skills. See you all in the next class. Bye bye and take care!

“Bye bye, take care. We will meet in our next class!”

Remember, practice makes perfect, and these exercises are fantastic for preparing for Olympiad exams and boosting your mental math abilities. Until next time!

Feel free to revisit these problems anytime you need a refresher. Happy studying!