Question

What is my number?
Clue 1: My number is a multiple of 2 and 7.
Clue 2: My number is less than 100 but greater than 50.
Clue 3: My number is the product of three different prime numbers.

I think the answer is 56. Please help me solve this problem!

Answer 1

X=2*7*?=14,28,42,56,70,84,98,112....

50<X<100  so X could be 56,70,84,98

56=2*7*5 V
70=2*7*6 X
84=2*7*7 X
98=2*7*8 X

56 is the correct answer!