Recent questions tagged jeemain

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1 answer 177 views

Which of the following is a polyester?

asked Jun 25, 2022 in 2022 by anonymous

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2 answers 744 views

Which of the following have the maximum melting point?

asked Jun 25, 2022 in 2022 by anonymous

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1 answer 227 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 324 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 362 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 266 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 214 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 577 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 237 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 260 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 447 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 379 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 308 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 593 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 421 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 389 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 377 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 783 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 585 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 247 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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