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Duration: 20 minutes

 

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Number Play

Read Test instructions -

📝 Total Questions: 20
🕒 Test Duration: 20
✅ Test Format: MCQ
📚 Test Topic: Number Play
🏆 Pass Score: 50%

N.B. Do not refresh your browser during test time.

1 / 20

Which of these is a palindrome?

2 / 20

How many 5-digit numbers exist?

3 / 20

Which number is smallest?

4 / 20

The smallest number with a digit sum of 14 is

5 / 20

Chapter “Number Play” mainly focuses on

6 / 20

Collatz sequences always reach

7 / 20

The digit sum of 345 is

8 / 20

In a 9-cell row, what is the maximum possible number of supercells?

9 / 20

Which number is closest to 10,000?

10 / 20

6174 is related to

11 / 20

Who discovered the Kaprekar constant?

12 / 20

Estimation gives -

13 / 20

The smallest 5-digit palindrome is

14 / 20

Pattern problems help develop

15 / 20

In the Collatz rule, if the number is even, we

16 / 20

Kaprekar constant for 3-digit numbers is -

17 / 20

Estimation is useful when

18 / 20

The Collatz conjecture is -

19 / 20

Repeated addition is a form of

20 / 20

If the number is odd, we

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