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Q.1 If three successive coeff. In the expansion of ( 1+ x ) ⁿ are 220,495 and 792 then find N. Q.2 If P be the sum of odd terms and Q that of even…
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Q.1. In how many ways can a cricket team of 11 players be selected out of 16 players, if two particular players are always to be selected? Q.2. In ho…
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Q.1. Prove that cos 510° cos 330° + sin 390° cos 120° = –1. Q.2. Find the maximum and minimum value of 7 cos x + 24 sin x. Q.3. Find the value of √…
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Q.1. In a survey of 400 students in a school, 100 were listed as taking apple juice. 150 as taking orange juice and 75 were listed as taking both app…
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