Question

Time pass questions are now done

NOW SOLVE SOME OF RIDDLES...

A 3 digit number is such that it's unit digit is equal to the product of the other two digits which are prime.
Also, the difference between it's reverse and itself is 396.
What is the sum of the three digits ?

Answer 1

${ Hey Dear }$


Here is your answer


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There are only 4 prime number which can form three digit number are 2 , 3 , 5 , 7


if we do the product of 2 and 3 then the resultant number is single 3rd digit


we do like this


2 * 5 = 10

3 * 5 = 15


so first two digit number is either must be 2 or 3


four possible number of three digit

224 , 236 , 326 , 339


Difference between and reserve and itself = 396


I think 236 is the number which satisfy the condition


it's Reserve = 632


we subtract = 632 - 396 = 236



11 is the sum of three digit number


so in 236


6 is the unit digit number

we do product of two number ( 2 *3 ) which is prime


so the reversing digit = 632

itself digit = 236


so, we add

2 +3 + 6 = 11



hence your answer is 11


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hope it helps


thank you

Answer 2

Answer:

Step-by-step explanation: