Question

40
50
58. If the sum of one third of a number and twice
the same number is 28, the number is:
(A) :14
B) 28
C 12
(D) 20
70. 1​

Answer 1

Let the no. be x. Then,

one-third of a no. = 1/3x = x/3

and, twice the no. = 2x

Sum = 28

ATQ,

x/3 + 2x = 28

x+6x/3 = 28

7x/3 = 28

7x = 28×3

x = 28×3/7

x = 12

Hence, the third option is correct i.e., (C) 12

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