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(4) इनमें से कोई नहीं[P.0.1991, CPO2008- यदि किसी संख्या के 2 और 3 भाग का अंतर 28 हैतो वह संख्या क्या है ?(1) 50 (2) 70(4) 100(3) 80(Clerk Grade, 200 |
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Answer» Let the the number be x Then,As per given condition 3x/4 - 2x/5 = 28 (3x*5 - 2x*4)/20 = 28 15x - 8x = 560 7x = 560 x = 560/7 = 80 Therefore, Number is 80 (3) is correct option the right answer is ( 3 ) 80 let we assume = x 3x ÷4- 2x ÷ 5 = 2815x- 8x = 5607x = 560 x =80 80 answer |
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