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CENGAGE-JEE 2019-MCQ
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- In a class of 60 students, 40 opted for NCC, 30 opted for NSS and 20 o...
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- (~pvv~q) is logically equivalent to
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- Average height & variance of 5 students in a class is 150 and 18 respe...
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- A data consists of n observations x(1), x(2), ..., x(n). If Sigma(i=1)...
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- The outcome of each of 30 items was observed , 10 items gave an outcom...
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- Contrapositive of the statement ''If two numbers are not equal, then t...
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