JEE Main Mathematics Questionbank

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16 of 16

Question 1 · 16 total

easy

If set A has 3 elements, the total number of relations defined on A is:

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Question 2 · 16 total

medium

Find the modulus of 1+i1i\frac{1+i}{1-i}.

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Question 3 · 16 total

hard

If ω\omega is an imaginary cube root of unity, then 1+ω+ω21 + \omega + \omega^2 equals:

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Question 4 · 16 total

medium

The number of distinct arrangements of the letters of the word ALLAHABAD is:

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Question 5 · 16 total

hard

The term independent of x in the expansion of (x+1x2)9\left(x + \frac{1}{x^2}\right)^9 is:

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Question 6 · 16 total

medium

Find the sum to infinity of the GP 8+4+2+1+8 + 4 + 2 + 1 + \dots

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Question 7 · 16 total

hard

limx01cosxx2\lim_{x \to 0} \frac{1 - \cos x}{x^2} equals:

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Question 8 · 16 total

medium

The slope of the tangent to the curve y=x3y = x^3 at the point where x=2x = 2 is:

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Question 9 · 16 total

medium

Evaluate 0π/2sinxdx\int_0^{\pi/2} \sin x\, dx.

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Question 10 · 16 total

medium

The differential equation obtained by eliminating the arbitrary constant from y=Cexy = Ce^x is:

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Question 11 · 16 total

easy

The focus of the parabola y2=8xy^2 = 8x is:

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Question 12 · 16 total

hard

The distance of the point (1,2,3)(1, 2, 3) from the plane 2x+2y+z=72x + 2y + z = 7 is:

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Question 13 · 16 total

easy

The unit vector along i^+j^\hat{i} + \hat{j} is:

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Question 14 · 16 total

medium

A fair coin is tossed three times. The probability of getting exactly two heads is:

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Question 15 · 16 total

easy

The value of sin15cos15\sin 15^\circ \cos 15^\circ is:

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Question 16 · 16 total

medium

The contrapositive of the statement "if p then q" is:

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O
JEE Main Mathematics Questions - Chapter-wise Practice