CBSE Class 6 Mathematics Number Play MCQs Set A

Question. If a child says ‘2’ while standing between two others in a height game, what does it mean?
(a) Both neighbors are shorter
(b) One neighbor is taller
(c) Both neighbors are taller
(d) Child is tallest

Answer: C

Question. How many times does the digit ‘7’ appear when writing all the numbers from 1 to 100?
(a) 10
(b) 15
(c) 20
(d) 25

Answer: C

Question. Which of the following is a one-digit number?
(a) 10
(b) 9
(c) 23
(d) 100

Answer: B

Question. What is the Kaprekar constant for 4-digit numbers?
(a) 6174
(b) 1234
(c) 4321
(d) 9999

Answer: A

Question. What is the Kaprekar constant for 4-digit numbers?
(a) 495
(b) 6174
(c) 8127
(d) 8372

Answer: B

Question. How many supercells are there in the table below? 5346, 1258, 9635
(a) 1
(b) 2
(c) 3
(d) 0

Answer: B

Question. The number of times digit ‘7’ appears from 1 to 100 is:
(a) 10
(b) 20
(c) 19
(d) 21

Answer: C

Question. 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) 9950, 3050, 2180
(d) 2180, 9950, 3050

Answer: A

Question. A number that reads the same backward and forward is called a:
(a) Symmetric number
(b) Palindrome
(c) Even number
(d) Repeating number

Answer: B

Question. Which number has the same digit sum as 176?
(a) 77
(b) 86
(c) 68
(d) 91

Answer: C

Question. Which of the following number is a multiple of 6?
(a) 24
(b) 32
(c) 45
(d) 53

Answer: A

Question. In Kaprekar’s process, what do you do after finding the difference between the largest and smallest numbers formed by a 4-digit number's digits?
(a) Add the numbers
(b) Multiply the numbers
(c) Subtract the numbers again
(d) Repeat the process with the result

Answer: D

Question. Which is the sum of smallest and largest 5-digit palindromes?
(a) 199998
(b) 110011
(c) 200002
(d) 109901

Answer: A

Question. What is the next number in the sequence 2, 4, 8,16, …….. ?
(a) 18
(b) 32
(c) 24
(d) 34

Answer: B

Question. The Collatz sequence starting at 12 reaches the number 1 after how many steps?
(a) 5
(b) 9
(c) 10
(d) 7

Answer: B

Question. Which is not possible: 5-digit + 5-digit = 6-digit, 5-digit – 5-digit = 3-digit, 5-digit + 3-digit = 6-digit, or 5-digit – 2-digit = 5-digit?
(a) All are possible
(b) Only 5-digit – 5-digit = 3-digit is not
(c) 5-digit – 2-digit = 5-digit is not
(d) None are valid

Answer: C

Question. Which of the following is a palindromic number?
(a) 848
(b) 123
(c) 401
(d) 236

Answer: A

Question. What is the estimated difference of 812 – 493?
(a) 200
(b) 250
(c) 300
(d) 350

Answer: C

Question. In a supercell table, which of the following must be true about a supercell?
(a) It must be the smallest number
(b) It is greater than its adjacent cells
(c) It is equal to its neighbors
(d) It is a repeated number

Answer: B

Question. Which of the following clock timing forms a palindrome?
(a) 10:01
(b) 11:21
(c) 12:51
(d) 10:22

Answer: A

Question. What is the smallest two-digit number?
(a) 10
(b) 11
(c) 12
(d) 9

Answer: A

Question. Which of the following sequences is palindromic?
(a) 123321
(b) 123421
(c) 112233
(d) 321123

Answer: A

Question. What is the smallest’4-digit number?
(a) 1000
(b) 1001
(c) 1100
(d) 1010

Answer: A

Question. Which of the following numbers lies between 5000 and 6000?
(a) 4500
(b) 5250
(c) 6750
(d) 7000

Answer: B

Question. What is the correct step in Collatz rule if the number is odd?
(a) Divide by 2
(b) Multiply by 3 and add 1
(c) Add 5
(d) Subtract 1

Answer: B

Question. By using dot (.) patterns, which of the following numbers can be arranged in all the three ways namely a line, a triangle and a rectangle?)
(a) 9
(b) 10
(c) 11
(d) 12

Answer: B

Question. The Kaprekar constant for four-digit numbers is:
(a) 1234
(b) 6174
(c) 3412
(d) 9472

Answer: B

Question. Estimate the number of breaths a person takes in a day.
(a) 1000–2000
(b) 5000–7000
(c) 15000–25000
(d) 30000–50000

Answer: D

Question. If you subtract the smallest prime number from 15, What is the result? Competency Based Question
(a) 12
(b) 13
(c) 14
(d) 10

Answer: B

Question. What is the estimated sum of 645 + 876?
(a) 1300
(b) 1400
(c) 1500
(d) 1600

Answer: C