Question 1 :
<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 2 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cf02f59b460d7261f0f3.JPG' />
From the above image, find the remainder when divided by 99 if Sundaram had chosen the number 737.
Question 3 :
A 3-digit number abc made up of digits a, b and c can be written as:
Question 5 :
State whether true or false. 417 + 174 + 741 is divisibe by 37.
Question 7 :
If 31z5 is a multiple of 3, where z is a digit, what might be the values of z ?
Question 8 :
State whether true or false. 937 + 379+792 is divisible by 37.
Question 11 :
If 24x is a multiple of 3, where x is a digit, what is the value of x ?
Question 13 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d02cf59b460d7261f295.png' /> What is the value of A and B ?
Question 14 :
Find A and B in the sum 3A + 25 = B2
Question 15 :
Suppose that the division N ÷ 5 leaves a remainder of 4, and the division N ÷ 2 leaves a remainder of 1. What must be the one’s digit of N?
Question 17 :
Find the digits A and B in BA x B3 = 57A.
Question 18 :
If 24x is a multiple of 3, where x is a digit, what is the value of x?
Question 23 :
Write 100 × a + 10 × c + b in usual form.
Question 25 :
If 21y5 is a multiple of 9, where y is a digit, what is the value of y?