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If 25% of a number is added to 78, then the result is the same number. 75% of the same number is:

A108

B48

C98

D78

Answer:

D. 78

Read Explanation:

Let the unknown number be X

According to the question,

78 + 25/100 × X = X

7800 + 25X = 100X

100X - 25X = 7800

75X = 7800

X = 7800/75 = 104

75% of the same number is

75% × 104

= 75/100 × 104

= 78


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