किसी `1km^(2)` भूमि पर `2cm` वर्षा हुई। माना कि केवल 50% पानी ही संग्रहित हो पाया तथा `10 x xx 10 m` आधार वाले एक संग्रहालय में एकत्रित किया गया। पानी का उठा तल ज्ञात करें?A. 1 kmB. 10 mC. 10 cmD. 1 m

किसी `1km^(2)` भूमि पर `2cm` वर्षा ह�

1.	किसी `1km^(2)` भूमि पर `2cm` वर्षा हुई। माना कि केवल 50% पानी ही संग्रहित हो पाया तथा `10 x xx 10 m` आधार वाले एक संग्रहालय में एकत्रित किया गया। पानी का उठा तल ज्ञात करें?A. 1 kmB. 10 mC. 10 cmD. 1 m
Answer» Correct Answer - B Let the increase in level `=xm` `implies(1000xx1000xx2/100)xx1/2=100xx10xx x` `implies x=10m`

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