Important Questions for Number play

Multiple Choice Questions

1. What is the largest number that can be formed using the digits 6, 3, 9, 1?
A) 9361
B) 9631
C) 6391
D) 9136

2. How many times does the digit 5 appear when writing all the numbers from 1 to 100?
A) 10
B) 15
C) 20
D) 17

3. Which of the following numbers is both a multiple of 7 and an even number?
A) 28
B) 21
C) 35
D) 49

4. The largest 4 digit number using one digit twice from 5, 9, 2, and 6 is:
A) 9562
B) 9952
C) 9559
D) 9965

5. The largest 5 digit number having only three digits is:
A) 97799
B) 98799
C) 99987
D) 99965

6. If the number line pattern moves from 5 to 15, and then 15 to 25, the next number would be:
A) 40
B) 35
C) 30
D) 45

7. Which of these is a palindrome number?
A) 717
B) 123
C) 401
D) 236

8. Which of the following clock times is a palindrome?
A) 12:11
B) 15:21
C) 22:01
D) 10:01

9. By using dot patterns, which of the following numbers can be arranged in all three ways: a line, a triangle, and a rectangle?
A) 12
B) 6
C) 7
D) 10

10. Which of the following numbers is a supercell in the single line grid [45,78,89,31,22] ?
A) 22
B) 31
C) 45
D) 89

11. What is the correct order of placing the numbers 2180, 9950, 3050 on a number line?
A) 2180, 3050, 9950
B) 3050, 2180, 9950
C) 3050, 9950, 2180
D) 9950, 2180, 3050

12. Which of the following numbers is a multiple of six?
A) 57
B) 32
C) 46
D) 24

13. If you subtract the smallest prime number from 15, what is the result?
A) 14
B) 13
C) 12
D) 11

14. What is the result of multiplying the largest single digit number by 4?
A) 21
B) 35
C) 36
D) 30
15. Which of the following is a Kaprekar constant?
A) 495
B) 6178
C) 6174
D) 8128

16. how many super cells are possible for a 10 cells single line grid?
A) 5
B) 6
C) 4
D) 7

17. which of these is not a palindrome using digits 1,2,3?
A) 123
B) 121
C) 212
D) 313

18. which of these is not a palindrome
A) 236632
B) 718817
C) 12321
D) 78998

19.how many rounds does the number 3685 take to reach the kaprekar constant?
A) 7
B) 8
C) 6
D) 9

20. which of the following is the correct sum of digits for the number 296?
A) 16
B) 17
C) 18
D) 19

Short answer type

1. Identify the supercell in the grid given below

2. Identify the numbers marked on the number line below and label the remaining positions

3. Find the palindrome by reversing and adding numbers repeatedly for the number 76?

4. Show the steps required for the number 7564 to reach kaprekar constant