Advertisements
Advertisements
Question
If A × 3 = 1A, then A = ______.
Advertisements
Solution
If A × 3 = 1A, then A = 5.
Explanation:
We have, A
× 3
1A
Here, 3 × A is a two-digit number whose unit digit is A.
A can take any value between 0 to 9, but only A = 5 satisfies the product.
Hence, A = 5
APPEARS IN
RELATED QUESTIONS
Find the quotient when the difference of 985 and 958 is divided by 9.
Which of the following statement is true?
The sum of two consecutive odd numbers is always divisible by 4.
Look at the patterns of numbers in hexagons.
Each side has 2 circles and 1 box.
- Look at the number 65 in the box. Which are the circles next to it?
- Can you see how the rule works?
If 5A × A = 399, then the value of A is ______.
A number is divisible by 11 if the differences between the sum of digits at its odd places and that of digits at the even places is either 0 or divisible by ______.
Number 7N + 1 will leave remainder 1 when divided by 7.
If N ÷ 5 leaves remainder 3 and N ÷ 2 leaves remainder 0, then N ÷ 10 leaves remainder 4.
Find the least value that must be given to number a so that the number 91876a2 is divisible by 8.
A five-digit number AABAA is divisible by 33. Write all the numbers of this form.
Find the value of k where 31k2 is divisible by 6.
