संख्या 30% ने वाढली की 195 होते. मूळ संख्या आहे:
A150
B140
C130
D160
Answer & Solution
Correct answer: A. 150
1.
मूळ x असू द्या.
नंतर x = 195 चा x + 30%.
2.
1.30 * x = 195.
3.
x = 195 / 1.30 = 150.
4.
तर मूळ संख्या 150 आहे.
_स्रोत: SSC CGL परिमाणात्मक योग्यता (टक्केवारी), R.S.
अग्रवाल शैली आणि मानक सराव_
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