Question
Statements:a. No copy is a pen. b. Some pens are
books Conclusions:I. Some books are not copies II. Some copies are not books. In each of the questions below are given three statements followed by two conclusions numbered I and II. You have to take the given statements to be true even if they seem to be at variance with commonly known facts. Read all the conclusions and then decide which of given conclusions logically follows from the given statements disregarding commonly known facts.Solution
No copy is a pen (E) + some pens are books (I) = some books are not copies (O*). Hence, conclusion I follows but conclusion II does not follow.

Which of the following options gives the value of 2999² – 999²?
If √c + (1/√c) = 7, then find the value of c + (1/c).
- If x² - 2x + 1 = 0, then find the value of (x³ + x⁻³)(x + x⁻¹).
A certain number of students from school X appeared in an examination and 30% students failed. 150% more students than those from school X, appeared in ...

If sin 28° = 15/17 , then tan 62° = ?
If p = 28 - q - r and pq + r(q + p) = 182, then find the value of (p² + q² + r²).
The value of:
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