other Maths Puzzle Numerical Ability

30! end in 7 zeroes. What is the digit preceding those zeroes

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other Other Question
How many perfect squares less than 1000 end with the digit 6? IF THERE ARE 10 SMALL CIRCLE & GAME WAS THAT WHO CUTS THE LAST CIRCLE B/W TWO PLAYERS A & B WINS THE GAME BUT 1 PERSON CAN CUT 1 OR 2 IN 1 CHANCE.SO IF B START THE PLAY AND CUT 2 CIRCLE THEN A CUT 2,BUT AFTER THAT B CUT 1 & A CUT 2 OF THEM .IF THIS SERIES OF 4 CHANCE OF A&B CONTINUES WHO WINS & WHO WILL CUT THE LAST CIRCLE???