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Two whole numbers whose sum is 153 cannot be in the ratio:Select one:a. 5 :4b. 4 :5c. 13 :4d. 3 : 4 |
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Answer» a) total parts 5x+4x = 9x 9x = 153 x= 17 then 5x and 4x ie. 5x17=85 4x17 = 68 So, (a) can be the ratio. Similarly (b) &(d) can be the ratios. Consider (c): 13x+4x=17x 17 x = 153 and x=153/17 which is not a whole NUMBER since 153 is not divisible by 17. Hence, c) 13: 4 can not be in the ratio. (C) is the correct answer. |
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