Recent questions in Class 10

Which of following shows relation between Crow, Bird and Pigeon.

asked Jul 19, 2016 by meena.p

0 answers

In this diagram, the triangle represents men, the square represents inspectors and the circle represents sports persons. Find the number of women who are sports persons but not inspectors.

asked Jul 19, 2016 by meena.p

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In the figure AP is a tangent to the circle with centre O Such that $OP=4\;cm$ and $\angle OPA =30^{\circ}$ . Then AP

asked Jan 8, 2015 by meena.p

1 answer

AP and PQ are tangents drawn from a point A to a circle with center O and radius 9 cm. If $OA=15\;cm,$ then $AP+AQ$ =_______

asked Jan 8, 2015 by meena.p

1 answer

In the figure if $AP=PB$ , then

asked Jan 8, 2015 by meena.p

1 answer

The perimeter of the $\Delta ABC$ in the adjacent figure is ________

asked Jan 8, 2015 by meena.p

1 answer

The length of the tangent drawn from point $8\;cm$ away from the centre of a circle of rdius $6\;cm$ is

asked Jan 8, 2015 by meena.p

1 answer

CP and CQ are tangent from an external point C to a circle with centre O. AB is another tangent which touches the circle at R. If $CP= 11 \;cm$ and $BR= 4\;cm$ , then the length of BC is __________

asked Jan 8, 2015 by meena.p

1 answer

Equal circles with centres O and O' touch each other at X. OO' produced to meet a circle with centre O' , at A. AC is a tangent to the circle where centre O. O'D is perpendicular to $AC$ . Then $\large\frac{DO'}{CO}$

asked Jan 8, 2015 by meena.p

1 answer

In the figure, BC is a tangent to the circle with center O. OE bisects AP. Then $\Delta AEO$ is _______ $\Delta ABC$

asked Jan 8, 2015 by meena.p

1 answer

In the figure two tangents AB and AC are drawn to a circle with center O such that $\angle BAC=120^{\circ},$ then $OA$ =______ $AB$

asked Jan 8, 2015 by meena.p

1 answer

If an isosceles triangle ABC in which $AB= AC=6\;cm$ is inscribed in a circle of radius $9\;cm$ , then the area of the triangle ABC is _______

asked Jan 8, 2015 by meena.p

1 answer

Two radii of two concentric circles are $13\;cm$ and $8\;cm$ . AB is a diameter of the bigger circle BD is a tangent to the smaller circle touching it at D. Then the length of AD is ________

asked Jan 8, 2015 by meena.p

1 answer

Two concentric circles are of radii 5 cm and 3cm . The length of the chord of the large circle which touches the smaller circle is __________

asked Jan 8, 2015 by meena.p

1 answer

d and m are the parallel tangents at A and B . The tangent at C makes an intercept DE between d and m. Hence $\angle DFE=$ _______

asked Jan 7, 2015 by meena.p

1 answer

PQ is a chord of length $8\;cm$ of a circle of radius $5\;cm$ . The tangent at P and Q intersect at a point T. The length of TP is _________

asked Jan 7, 2015 by meena.p

1 answer

Two tangents TP and TQ are drawn to a circle with center 'O' from an external point T. Then $\angle PTQ=$ _______ $\angle OPQ$

asked Jan 7, 2015 by meena.p

1 answer

ABCD is a quadrilateral such that $\angle D=90^{\circ}$ . A circle $(O,r)$ touches the sides $AB,BC,CD$ and $DA$ at $PQR$ and $S$ respectively . If $BC=38\;cm, CD=25\;cm$ and $BP =27 \;cm$ , then r=__________

asked Jan 7, 2015 by meena.p

1 answer

The incircle of a $\Delta ABC$ , touches the sides BC , CA and AB at D, E and F respectively. Then $AF+BD+CE = AE+BF+CD=$ _______ perimeter of $\Delta ABC$

asked Jan 7, 2015 by meena.p

1 answer

In the figure O is the centre of a circle of radius $5\;cm$ . T is a point such that $OT= 13\;cm$ and OT intersects the circle at E. If AB is the tangent to the circle at E , then the length of AB is ______

asked Jan 7, 2015 by meena.p

1 answer

In the figure two equal circles touch each other at $T$ , if $QP=4.5\;cm$ , then $QR=$ ______

asked Jan 6, 2015 by meena.p

1 answer

If the figure if PR is the tangent to the circle at P and Q is the centre of the circle , then $\angle POQ$ =

asked Jan 6, 2015 by meena.p

1 answer

In the figure if $AP=PB$ , then

asked Jan 6, 2015 by meena.p

1 answer

If the quadrilateral PQRS circumscribes a circle,as shown in the figure . then $PD+QB$ = ______

asked Jan 6, 2015 by meena.p

1 answer

In the figure if PA and PB are tangents drawn to a circle Such that $\angle APB =30^{\circ}$ and chord AC is drawn parallel to the tangent PB, then $\angle ABC$ =_____

asked Jan 6, 2015 by meena.p

1 answer

APB is a tangent to a circle with center O at point P, If $\angle QPB =50^{\circ}$ then the measure of $\angle POQ$ is ______

asked Jan 6, 2015 by meena.p

1 answer

Two Concentric circles of radii 3 cm and 5 cm are given. The length chord BC Which touches the inner circle at P is equal to _____________

asked Jan 6, 2015 by meena.p

1 answer

In the figure If $AB =8\;cm$ and $PE= 3\;cm$ , then $AE$ =________

asked Jan 6, 2015 by meena.p

1 answer

There are two concentric circles with center O. PR and PS are tangents to the inner circle from point on the circle. If $PR=7.5\;cm$ , then $PS$ =_______

asked Jan 6, 2015 by meena.p

1 answer

Two chords AB and CD of a circle intersect each other at a point E, inside the circle. If $AE= 3\;cm,CE=5\;cm$ and $EB= 4\;cm$ , then $ED=$ __________

asked Jan 6, 2015 by meena.p

1 answer

O is the centre of the circle with radius 5 cm $OP \perp CD, OQ \perp CD , AB \parallel CD, AB= 6 \;cm$ and $CD= 8 \;cm$ . Hence PQ is _________

asked Jan 6, 2015 by meena.p

1 answer

If A,B,C are three points on a circle with center O Such that $\angle AOB =90^{\circ}$ and $\angle BOC =120^{\circ}$ then $\angle ABC$ =_________

asked Jan 6, 2015 by meena.p

1 answer

Two circles with centers A and B of radii 3 cm and 4 cm respectively intersect at two points C and D such that AC and BC are tangents to the two circles. The length of the common chord CD is _________

asked Jan 6, 2015 by meena.p

1 answer

In the figure a circle with center O is inscribed in a quadrilateral ABCD such that, it touches BC,AB,AD and CD at points P,Q,R and S respectively . If $AB=29\;cm, AD= 23\;cm, \angle B=90^{\circ}$ and $DS=5 \;cm$ then the radius of the circle is

asked Jan 6, 2015 by meena.p

1 answer

In a circle with center O chords AB and CD intersect inside the circumference at E. Then $\angle AOC + \angle BOD$ = _______ $\angle AEC$

asked Jan 6, 2015 by meena.p

1 answer

AB and CD are two parallel chords of a circle with center O Such that $AB= 6\;cm$ and $CD= 12\;cm$ . The Chords are on the same side of the centre and the distance between them is $3\;cm$ The radius of the circle is

asked Jan 6, 2015 by meena.p

1 answer

The chord of a circle is equal to its radius. The angle subtended by this chord at the minor are of the circle is

asked Jan 6, 2015 by meena.p

1 answer

Given below are the steps of construction to draw a pain of tangents to a circle of radius 5 cm which are inclined to each other at an angle of $60^{\circ}$ Step 1 : Take a point O on the plane of the paper and draw a circle of radius $OA=5\;cm$ . Step 2 : Produce $OA$ to $B$ Such that $OA= OB= 5\;cm$ Step 3 : Taking A as the centre draw a circle of radius $AO=AB=5\;cm$ . Suppose it cuts the circle draw in step I at P and Q . Step 4: join BP and BQ to get the desired target . Which of the above steps are in correct ?

asked Jan 6, 2015 by meena.p

1 answer

Given below are the steps of construction to draw a tangent with out using the center of the circle. Step 1: Draw any chord PQ through the given point P on the circle. Step 2: Take a point R on the circle and join P and Q to a point R. Step 3 : Construct $\angle QPY < \angle PRQ$ and on the opposite side of the chord PQ. Step 4: Produce YP to X to get YPX as the required tangent. Which of the above steps are correct ?

asked Jan 6, 2015 by meena.p

1 answer

Given below is the construction to draw a circle whose radius is 4 cm with center O and diameter POQ and through P or Q to draw a tangent to the circle. Which step is wrong in the construction ? Step 1 :Taking O as circle as center and radius equal to 4 cm draw a circle. Step 2: Draw diameter of POQ Step 3 : Construct $\angle PQT =45^{\circ}$ Step 4 : Produce TQ to T' obtain the required tangent TQT'

asked Jan 5, 2015 by meena.p

1 answer

The these sides of a triangle of a triangle ABC are 8 cm,10 cm and 12 cm. These circles are drawn with centres A,B and C each one touching the other two. The radii of circles are ___________

asked Jan 5, 2015 by meena.p

1 answer

In two concentric circles, a chord of length 24 cm of larger circle becomes a tangent to the smaller circle Whose radius is 5 cm. The radius of the larger circle is _________

asked Jan 5, 2015 by meena.p

1 answer

O is the center of a circle of radius 9 cm. A point P at a distance of 41 cm from O. The length of the tangent segment from P to the circle is _________

asked Jan 5, 2015 by meena.p

1 answer

ABC is a right angled triangle at A. A circle is inscribed in it. The length of two sides the right angle are 12 cm and 5 cm. The radius of the incirle is ______________

asked Jan 5, 2015 by meena.p

1 answer

Two circles of radii 6 cm and 14 cm have their centres 30 cm apart. The radius of the smallest circle which touches both of them and encloses the smaller circle is ____________

asked Jan 5, 2015 by meena.p

1 answer

Two circles with centre A and B and of radii 5 cm and 3 cm touch each other internally.If the perpendicular bisector of segment AB meets the bigger circle in P and Q,then the length of PQ is ___________

asked Jan 5, 2015 by sreemathi.v

1 answer

In the given figure TAS is a tangent to the circle,with centre O,at the point A.If $\angle OBA=32^{\large\circ}$ ,then the values of $x$ and $y$ are _____

asked Jan 5, 2015 by sreemathi.v

1 answer

In the given figure chords AB and CD of a circle intersect at O.AO=5 cm,BO=3 cm and CO=2.5 cm.Then the length of DO=______

asked Jan 5, 2015 by sreemathi.v

1 answer

The modal class for the following frequency distribution is ________

asked Nov 10, 2014 by meena.p

1 answer

The median class for the following distribution is _______

asked Nov 10, 2014 by meena.p

1 answer

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