Question 1 :
Write 100 × a + 10 × c + b in usual form.
Question 3 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d02af59b460d7261f292.png' />
In the above image, find the value of A, B, C ?
Question 4 :
State whether true or false. 937 + 379+792 is divisible by 37.
Question 5 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cefdf59b460d7261f0ed.PNG' />
From the above image, find the remainder when divided by 11 if Sundaram had chosen the number 17.
Question 6 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cf00f59b460d7261f0f0.PNG' />
From the above image, find the remainder when divided by 9 if Sundaram had chosen the number 37.
Question 8 :
If the division N ÷ 5 leaves a remainder of 3, what might be the one's digit of N?
Question 9 :
Write 100 × 7 + 10 × 1 + 8 in usual form.
Question 10 :
A 3-digit number abc made up of digits a, b and c can be written as:
Question 11 :
If the division N ÷ 2 leaves no remainder , what might be the one’s digit of N?
Question 13 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cefff59b460d7261f0ef.PNG' />
From the above image, find the remainder when divided by 9 if Sundaram had chosen the number 96.
Question 14 :
State whether true or false. If one's digit of a number is even then the number is divisible by 2.
Question 15 :
If the three digit number 24x is divisible by 9, what among the following options can be the value of x?
Question 17 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cefef59b460d7261f0ee.PNG' />
From the above image, find the remainder when divided by 9 if Sundaram had chosen the number 21.
Question 20 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cefaf59b460d7261f0e9.PNG' />
From the above image, find the remainder when divided by 11 if Sundaram had chosen the number 27.
Question 21 :
If the division N ÷ 2 leaves a remainder of 1, what might be the one’s digit of N?
Question 22 :
If the division N ÷ 5 leaves a remainder of 1, what might be the one’s digit of N?
Question 23 :
State whether true or false. If a > c, then the difference between the numbers abc and cba is 99(a-c).
Question 24 :
State whether true or false. If one's digit of a number is 0, then the number is divisible by 10.
Question 26 :
If 24x is a multiple of 3, where x is a digit, what is the value of x ?
Question 28 :
State whether true or false. 417 + 174 + 741 is divisibe by 37.
Question 29 :
If the division N ÷ 5 leaves a remainder of 4, what might be the one’s digit of N?
Question 30 :
If 24x is a multiple of 3, where x is a digit, what is the value of x?
Question 31 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cf00f59b460d7261f0f1.JPG' />
From the above image, find the remainder when divided by 99 if Sundaram had chosen the number 132.
Question 33 :
Find A and B in the sum 3A + 25 = B2
Question 34 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d029f59b460d7261f291.png' /> In the above image, find the value of A, B, C ?
Question 35 :
If 31z5 is a multiple of 3, where z is a digit, what might be the values of z?
Question 37 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cf02f59b460d7261f0f4.PNG' />
From the above conversation, find the remainder when divided by 99 if Sundaram had chosen the number 901.
Question 38 :
State whether true or false. 117 + 171+711 is divisible by 37.
Question 39 :
If 31z5 is a multiple of 3, where z is a digit, what might be the values of z ?
Question 40 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cf01f59b460d7261f0f2.JPG' />
From the above image, find the remainder when divided by 99 if Sundaram had chosen the number 469.
Question 42 :
State whether true or false. Any number with odd one's digit leaves a remainder of 1 when divided with 2.
Question 43 :
If 31z5 is a multiple of 9, where z is a digit, what is the value of z?
Question 49 :
State whether true or false. 632 + 326 + 263 is divisible by 37.
Question 50 :
Find the digits A and B in BA x B3 = 57A.
