1.

(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

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



Discussion

No Comment Found