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Our related question with answer
2 + 47 = 49, 2 x47 = 94 so the digits of the answer are the same but in reverse when you add or multiply 2 and 47.
Can you find other pairs which have answers with digits reversed when added and multiplied?
Answer: 3, 24
3 + 24 = 27
3 * 24 = 72
so the digits of the answer are the same but in reverse when you add or multiply 3 and 24
A number when divided by 48 gives 47 as remainder and x as quotient, the same number when divided by 49 gives 8 as remainder and y as quotient. What is the minimum possible value of x?
What is the number if it divides exactly by 13 and when you write its digits in reverse order you make a square number. (You get a square number when you multiply a number by itself - 64 is square because it is 8 times 8)
Find a two digit number, so that when the digits are added together the answer is one third of the answer when the 2 digits are multiplied together.
Create the number 24 using (all of) 1,3,4 and 6. You may add, subtract, multiply and divide. Parentheses are free.
You must use each digit only once.
Note that you may not "glue" digits together. Powers are not allowed.
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