ਇੱਕ ਸੰਖਿਆ ਜਦੋਂ 30% ਵੱਧ ਜਾਂਦੀ ਹੈ ਤਾਂ 195 ਬਣ ਜਾਂਦੀ ਹੈ। ਅਸਲੀ ਨੰਬਰ ਹੈ:
A150
B140
C130
D160
Answer & Solution
Correct answer: A. 150
1।
ਅਸਲੀ ਨੂੰ x ਹੋਣ ਦਿਓ।
ਫਿਰ x = 195 ਦਾ x + 30%।
2।
1.30 * x = 195।
3।
x = 195 / 1.30 = 150।
4।
ਇਸ ਲਈ ਅਸਲੀ ਨੰਬਰ 150 ਹੈ।
_ਸਰੋਤ: SSC CGL ਮਾਤਰਾਤਮਕ ਯੋਗਤਾ (ਪ੍ਰਤੀਸ਼ਤ), R.S.
ਅਗਰਵਾਲ ਸ਼ੈਲੀ ਅਤੇ ਮਿਆਰੀ ਅਭਿਆਸ_
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