Question
In how many ways Barcelona’s football team captain
and vice-captain be elected from a team of 15 men?Solution
To do this, if captain is selected first, then we have 15 ways of doing this. For election of vice-captain, we have 14 ways left, because 1 way is already consumed. So, the required answer = 14 × 15 = 210
1.      What is the tagline of Soil Health card?
Stocking of food grains was first introduced in
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The ultimate source of production of organic compound:
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Kinnow was developed by
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...
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