Recent questions tagged jeemain

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1 answer 130 views

Which of the following is a polyester?

asked Jun 25, 2022 in 2022 by anonymous

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2 answers 665 views

Which of the following have the maximum melting point?

asked Jun 25, 2022 in 2022 by anonymous

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1 answer 169 views

In the production of which of the following compound, H2 is used?

asked Jun 25, 2022 in 2022 by anonymous

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1 answer 283 views

X is hcp, Y is 2/3 of tetrahedral voids…. Find percentage of X in the lattice

asked Jun 25, 2022 in 2022 by anonymous

+2 votes

1 answer 322 views

There are 6 batsmen, 7 bowlers and 2 wickets keepers. Find the number of ways of forming

asked Aug 1, 2021 in 2021 by Doubtly (98.9k points)

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0 answers 200 views

If vector a,b,c are three mutually perpendicular vectors equally inclined to vector a + b + c at angle θ, then find the value of 36 cos^2 2θ.

asked Aug 1, 2021 in 2021 by Doubtly (98.9k points)

0 votes

0 answers 175 views

The mean of 6 numbers is 6.5 and its variance is 10.25. If 4 numbers are 2,4,5 and 7, then find the other two.

asked Aug 1, 2021 in 2021 by Doubtly (98.9k points)

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1 answer 457 views

One of the diameter of the circle circumscribing the rectangle ABCD is 4y = x + 7. If A and B are the points

asked Jun 29, 2021 in Uncategorized by Doubtly (98.9k points)

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1 answer 192 views

If α, β and γ are three consecutive terms of a non-constant G.P. such that the equations

asked Jun 4, 2021 in Uncategorized by Doubtly (98.9k points)

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1 answer 220 views

The Boolean expression ∼(p⇒(∼q)) is equivalent to :

asked Jun 4, 2021 in Uncategorized by Doubtly (98.9k points)

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1 answer 341 views

A triangle has a vertex at (1, 2) and the mid points of the two sides through it are (-1, 1) and (2, 3). Then the centroid of this triangle is:

asked Jun 3, 2021 in Uncategorized by Doubtly (98.9k points)

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1 answer 330 views

The equation of the common tangent to the curves y^2 = 16x and xy = - 4 is

asked Jun 3, 2021 in Uncategorized by Doubtly (98.9k points)

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1 answer 272 views

The equation of the common tangent to the curves y^2 = 8x and xy = - 1 is

asked Jun 3, 2021 in Uncategorized by Doubtly (98.9k points)

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1 answer 552 views

The general solution of the differential equation (y^2 – x^3 )dx – xydy = 0 (x ≠ 0) is :

asked Jun 3, 2021 in Uncategorized by Doubtly (98.9k points)

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1 answer 319 views

Let a ∈ (0,π/2) be fixed. If the integral ∫ tan x + tan α/tan x - tan α dx = A(x) cos 2α + B(x) sin 2α + C, where C is a

asked Jun 3, 2021 in Uncategorized by Doubtly (98.9k points)

+3 votes

1 answer 339 views

A particle is moving along a circular path with a constant speed 30 m/s.

asked Jun 2, 2021 in Physics by anonymous

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1 answer 275 views

A coil of inductance 300 mH and resistance 2 is connected to a source of voltage 2 V.

asked Jun 2, 2021 in Physics by Doubtly (98.9k points)

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1 answer 685 views

When current in a coil changes from 5 A to 2 A in 0.1 s, an average voltage of 50 V is produced

asked Jun 2, 2021 in Physics by Doubtly (98.9k points)

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1 answer 488 views

A rectangular loop is present in the magnetic field region of an infinite long wire. Now the loop is being rotated as shown in the figure.

asked Jun 2, 2021 in Physics by Doubtly (98.9k points)

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1 answer 204 views

A conducting square loop is placed in a magnetic field B with its plane perpendicular to the field. The sides of the loop start shrinking at a constant rate

asked Jun 2, 2021 in Physics by Doubtly (98.9k points)

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