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1. The Pythagorean triples, whose smallest number is, 8:, , a) 8,16 17, , b) 8,17, 18, , c) 8,15, 17, , d) 8, 15,16
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2. Which of the following is, a perfect square?, , a) 1057, , b) 625, , c) 7928, , d) 64000
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3. Which of the following, will have 6 at unit place?, , a) 192, b) 112, , c) 242, d) 132
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4. If 5278 is squared, then, what will be at unit place?, a) 8, , b)7, , c)6, , d) 4
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5. What will be the number, of zeros in square of 400?, a)2, , b)3, , c) 4, , d) 6
