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Mathematics Mock Test - 7

Medium 50 Questions 49 min 50 marks

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49 min · 50 marks · Full test mode with leaderboard

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Question No: 26Difficulty: mediumMarks: 1mcq

In the interval (- 4, 4), how many extrema does the following function have? f (x) = \int_{- 10}^{x} (t^{4} - 4) e^{- 4 t} d t

Question No: 27Difficulty: mediumMarks: 1mcq

A family has two children. If the first child is a boy, find the probability that the other child is also a boy.

Question No: 28Difficulty: mediumMarks: 1mcq

Let P (h, k) be a point on the curve y = x^{2} + 7 x + 2, nearest to the line y = 3 x - 3 . Then the equation of the normal to the curve at P is:

Question No: 29Difficulty: mediumMarks: 1mcq

Which of the following methods is used to analyze the simple trend of time series data?

Question No: 30Difficulty: mediumMarks: 1mcq

If sin^{- 1} a + sin^{- 1} b + sin^{- 1} c = π, then the value of a 1 - a^{2} + b 1 - b^{2} + c 1 - c^{2} will be:

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