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Average rainfall on Monday, Tuesday, Wednesday and Thrusday is 420.5 cm and average on Tuesday, Wednesday, Thursday and Friday is 440.5 cm. If the ratio of rainfall for Monday and Friday is 20:21,find the rainfall (in cm) on Monday and Friday.
सोमवार, मंगलवार, बुधवार तथा गुरूवार की ओसत वर्षा 420.5 सेमी है. और मंगलवार,बुधवार, गुरूवार तथा शुक्रवार को 440.5 सेमी है। तद्नुसार, यदि सोमवार तथा शुक्रवार को वर्षा का अनुपात 20 : 21 रहा हो, तो सोमवार तथा शुक्रवार को क्रमशः कितने सेमी वर्षा हुई है।

A

1700, 1740

B

1682, 1762

C

1800, 1890

D

1600, 1680

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CHAMPION PUBLICATION-2012 TIER-II PAPER(22)-EXERCISE
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