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Class 12 Passed

Class 12 Passed Questions asked by Filo students

Question 1

पिंटू एक कार्य को 39 दिन में समाप्त सकता है और वह अपने भाई की सहायता से इस कार्य को 13 दिन में समाप्त कर सकता है। उसका भाई अकेले इस कार्य को कितने दिन में समाप्त कर सकता है ?

Topic:

Calculus

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Question 2

अकेले 12 पुरुष 5 दिनों में काम का एक हिस्सा पूरा कर सकते हैं, जबकि 3 पुरुष और 9 बच्चे एक साथ उसी काम के हिस्से को 10 दिनों में पूरा कर सकते हैं। 36 बच्चे उसी काम के दोगुने को कितने दिनों में पूरा कर सकते हैं?

Topic:

Calculus

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Question 3

MONOTONICITY 1. The value of

c

in the Lagrange's mean value theorem for the function

f (x) = x^{3} - 4 x^{2} + 8 x + 11

, when

x \in [0, 1]

is :

$\frac{2}{3}$
$\frac{7 - 2}{3}$
$\frac{4 - 5}{3}$
$\frac{4 - 7}{3}$

Topic:

Calculus

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Question 4

Given below are two statements. Statement I: Both

NF_{3}

and

NH_{3}

are pyramidal in shape. Statement II: Dipole moment of INE is greater than

NH_{3}

. In light of the above statements, choose the correct answer.

Both statement I and statement II are correct
Both statement I and statement II are incorrect
Statement I is incorrect but statement II is correct
Statement I is correct but statement II is incorrect

Topic:

Bonding and Chemical Reactions

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Question 5

(4) Become half The correct relation for critical temperature of a gas with van der Waals constant is

Topic:

Structure and Properties of Matter

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Question 6

SE SECTION - A 101. Radial and bilateral symmetry is found respectively in flowers of

Pea and tomato
Sem and chilli
Chilli and pea
Bean and pea

Topic:

Human Physiology

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Question 7

A small block having a charge

q

is placed on a smooth horizontal table and is connected to a wall through an unstretched spring of spring constant

K

as shown in figure. A horizontal electric field

E

parallel to spring is switched on. The amplitude of resulting simple harmonic motion is

$\frac{qE}{K}$
$\frac{qE}{2 K}$
$\frac{qE}{3 K}$
$\frac{2 qE}{K}$

Topic:

Electrostate & Current

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Question 8

An electric dipole is placed in an external electric field as shown in figure which varies with

x (

m)

E = E_{0} x \hat{i}

where

E_{0} = 1 0^{3} NC^{- 1} m^{- 1}

. Force acting on dipole is

(∣ q ∣ = 1 0^{- 6} C)

Zero
$- 20 \hat{i} μ N$
$+ 20 \hat{i} μ N$
$10 \hat{i} μ N$

Topic:

Electrostats

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Question 9

d (i) the perimeter and (ii) the area of the shaded region, Give your answens correct to 3 ificant figun

π \times \frac{22}{7}

। (b)

Topic:

Coordinate Geometry

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Question 10

5)^{2} + (y - 3)^{2} = 9

29.

(x + 2)^{2} + (y + 6)^{2} = 25

JiTIPLE CHOTCE The polnts

(- 7, - 1)

and

(3, 3)

. axe the endpolnte of a ater of a circle. What is the standard equiation of the circle?

(- 2)^{2} + (y - 1)^{2} = 29

(B)

(x - 2)^{2} + (y + 1)^{2} = 29

+ 2)^{2} + (y - 1)^{2} = 29

(D)

(x + 4)^{2} + (y - 2)^{2} = 29

RA 'Determino whether the given equation qeflnes a circle. If the effines a circle, rewrite the equationdri standard form.

- 6 y + 9 = 4 + 4 y + 3 = 16

28, x^{2} - 8 x + 16 + y^{2} + 2 y + 4 = 25

80.

x^{2} - 2 x + 5 + y^{2} = 81

CLINE'S Uso tho glven equations to determine whether the line secarin, secant that contains a diatiteter, or none of these.

x - 4)^{2} + (y - 3)^{2} = 9

32. Circle:

(x + 2)^{2} + (y - 2)^{2} = 16

- 3 x + 6

Elne:

y = 2 x - 4

Topic:

Differential Equations

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