1992 (AIEEE / IIT-JEE, in the JEE Main bank) questions
7 questions, by subject. Each opens with its options and answer.
Mathematics
- Let α, β be the roots of the equation, (x-a)(x-b) = c, c ≠ 0. Then the roots of the equation (x-α)(x-β) + c = 0 are
Complex Numbers and Quadratic Equations
- The centre of a circle passing through the points (0, 0), (1, 0) and touching the circle x^2 + y^2 = 9 is
Circles · with solution
- India plays two matches each with West Indies and Australia. In any match the probabilities of India getting points 0, 1 and 2 are 0.45, 0.05 and 0.50, respectively. Assuming that the outcomes are independent. The…
Probability
- If the sum of the distance of a point from two perpendicular lines in a plane is 1, then its locus is
Straight Lines and Pair of Lines · with solution
Chemistry
- For the redox reaction MnO_4^- + C_2O_4^2- + H^+ → Mn^2+ + CO_2 + H_2O The correct coefficients of the reactants for the balanced reaction are MnO_4^- C_2O_4^2- H^+
Redox and Electrochemistry
- Which of the following relates to photons both as wave motion and as a stream of particles?
Atomic Structure
- Which of the following does not characterise X-rays ?
Atomic Structure
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