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Maths-

General

Easy

Question

In figure, if $A B parallel to C D comma C D parallel to E F$ and y : z = 3 : 7, x = ?

$112^{\circ}$
$116^{\circ}$
$96^{\circ}$
$126^{\circ}$ .

The correct answer is: $126 to the power of ring operator end exponent$ .

Three parallel lines are commonly intersected by a single line and angles are formed at each intersection point namely x,y,z
and y:z=3:7 we should find x
In the given figure, $A B ∥ C D$

Let $y = 3 a$ and $z = 7 a$

$∠ D H I = y$

$∠ D H I + ∠ F I H = 180$

$\Rightarrow y + z = 180$

$\Rightarrow 3 a + 7 a = 180$

$\Rightarrow 10 a = 180$ or $a = 18$

$∴ y = 3 \times 18 = 54$ and $z = 7 \times 18 = 126$

Also, $x + y = 180$

$\Rightarrow x + 54 = 180$

$∴ x = 180 - 54 = 126$

Hence, $x = 126$

Hence x=126 choice 4 is correct

Related Questions to study

In figure, if $A B parallel to D E comma angle B A C equals 35 to the power of ring operator end exponent$ and $angle C D E equals 53 to the power of ring operator end exponent comma angle D C E$ = ?

Hence 92^o
is correct choice

In figure, if $A B parallel to D E comma angle B A C equals 35 to the power of ring operator end exponent$ and $angle C D E equals 53 to the power of ring operator end exponent comma angle D C E$ = ?

Hence 92^o
is correct choice

In figure, sides QP and RQ of $triangle P Q R$ are produced to points S and T respectively. If $angle S P R equals 135 to the power of ring operator end exponent$ and $angle P Q T equals 110 to the power of ring operator end exponent comma angle P R Q$ =?

Hence choice A is correct

In figure, sides QP and RQ of $triangle P Q R$ are produced to points S and T respectively. If $angle S P R equals 135 to the power of ring operator end exponent$ and $angle P Q T equals 110 to the power of ring operator end exponent comma angle P R Q$ =?

Hence choice A is correct

A conductor PQ carries a current 'i' is placed perpendicular to a long conductor XY carrying a current I. The direction of force on PQ will be :–

A conductor PQ carries a current 'i' is placed perpendicular to a long conductor XY carrying a current I. The direction of force on PQ will be :–

physics-General

parallel

A circular current loop of radius a is placed in a radial field B as shown. The net force acting on the loop is

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All straight wires are very long. Both AB and CD are arcs of the same circle, both subtending right angles at the centre O. Then the magnetic field at O is–

All straight wires are very long. Both AB and CD are arcs of the same circle, both subtending right angles at the centre O. Then the magnetic field at O is–

physics-General

A steady current is set up in a cubic network composed of wires of equal resistance and length d as shown in figure. What is the magnetic field at the centre P due to the cubic network ?

A steady current is set up in a cubic network composed of wires of equal resistance and length d as shown in figure. What is the magnetic field at the centre P due to the cubic network ?

physics-General

parallel

An infinitely long straight conductor is bent into the shape as shown in figure. It carries a current I ampere and the radius of the circular loop is r meter. Then the magnetic induction at the centre of the circular part is

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physics-General

chemistry-General

What is A in the following reaction?

What is A in the following reaction?

chemistry-General

parallel

chemistry-General

In the given figure, B is magnetic field at P due to shown segment AB of an infinite current carrying wire. A loop is taken as shown in figure. Which of the following statement(s) is/are correct

In the given figure, B is magnetic field at P due to shown segment AB of an infinite current carrying wire. A loop is taken as shown in figure. Which of the following statement(s) is/are correct

physics-General

A circular current carrying loop of radius R is bent about its diameter by $.90 to the power of ring operator end exponent$ and placed in a magnetic field $stack B with rightwards arrow on top equals B subscript 0 end subscript left parenthesis stack i with bar on top plus stack j with tilde on top right parenthesis$ as shown in figure.

A circular current carrying loop of radius R is bent about its diameter by $.90 to the power of ring operator end exponent$ and placed in a magnetic field $stack B with rightwards arrow on top equals B subscript 0 end subscript left parenthesis stack i with bar on top plus stack j with tilde on top right parenthesis$ as shown in figure.

physics-General

parallel

A disc of radius r and carrying positive charge q is rotating with angular speed $omega$ in a uniform magnetic field B about a fixed axis as shown in figure, such that angle made by axis of disc with magnetic field is $theta$ Torque applied by axis on the disc is

A disc of radius r and carrying positive charge q is rotating with angular speed $omega$ in a uniform magnetic field B about a fixed axis as shown in figure, such that angle made by axis of disc with magnetic field is $theta$ Torque applied by axis on the disc is

physics-General

The magnetic force between wires as shown in figure is :-

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physics-General

Match the reactions given in Column I with the suitable reagents given in Column II.

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chemistry-General

parallel

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