A GROUP OF SOLDIERS WERE ASKED TO FALL IN LINE MAKING ROWS OF THREE. IT WAS FOUND THAT THERE WERE ONE SOLDIER EXTRA. THEN THEY WERE ASKED TO STAND IN ROWS OF THREE. IT WAS FOUND THAT THERE WERE LEFT TWO SOLDIERS. THEY WERE ASKED TO STAND IN ROWS OF SEVEN. THEN THERE WERE THREE SOLDIERS WHO COULD NOT BE ADJUSTED. AT LEAST HOW MANY SOLDIERS WERE THERE IN THE GROUP? ALSO EXPLAIN THE PROCESS.

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Solution

Answer is 52
317 + 1 = 52
510 + 2 = 52
7*7 + 3 = 52

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Answer is 523*17 + 1 = 525*10 + 2 = 527*7 + 3 = 52

Answer is 52
317 + 1 = 52
510 + 2 = 52
7*7 + 3 = 52