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Recent questions tagged set-1

Solve for x$ \sqrt 3 x^2 -2 \sqrt 2 x -2 \sqrt 3 =0$

asked Mar 17, 2015 by meena.p

1 answer

The 14th term of an AP is twice its 8th term . If its 6th term is $-8$ , then find the sum of its first 20 terms

asked Mar 17, 2015 by meena.p

1 answer

Find the ralation between x and y if the points $A(x,y), B(-5,7)$ and $C(-4,5)$ are collinear.

asked Mar 17, 2015 by meena.p

1 answer

The points $A(4,7),B(p,3)$ and $C(7,3)$ are the vertices of a right triangle , right angled at B. Find the value of P.

asked Mar 17, 2015 by meena.p

1 answer

In an AP, if $S_5+S_7=167$ and $S_{10} =235$ , then find the AP , where $S_n$ denotes the sum of its first n terms.

asked Mar 17, 2015 by meena.p

1 answer

Solve the following quadratic equation for x: $4x^2+4bx-(a^2-b^2) =0$

asked Mar 17, 2015 by meena.p

1 answer

A triangle ABC is drawn to circumscribe a circle of radius 3 cm. such that the segments $BD$ and $DC$ are respectively of length 6 cm and 9 cm. If the are $\Delta ABC$ is $54\;cm^2$, then find the lengths of sides $AB$ and $AC $

asked Mar 17, 2015 by meena.p

1 answer

Two tangents $RQ$ and $RP$ are drawn from an external point R to the circle with center $Q$. If $ \angle PRQ=120^{\circ}$ then prove that $OR=PR=RQ$

asked Mar 17, 2015 by meena.p

1 answer

In figure , $PQ$ is a chord of a circle with centre $O$ and $PT$ is a tangent . If $\angle QPT =60^{\circ}$, find $\angle PRQ$

asked Mar 17, 2015 by meena.p

1 answer

Two different dice are tossed together , Find the probability that the product of the two numbers on the top of the dice is 6.

asked Mar 17, 2015 by meena.p

1 answer

A tower AB is 20 m high and BC , its shadow on the ground is $ 20 \sqrt 3 \;m$ long. Find the Sun's altitude.

asked Mar 17, 2015 by meena.p

1 answer

If the quadratic $px^2- 2 \sqrt 5 px +15 =0$ has two equal roots, then find the value of p.

asked Mar 17, 2015 by meena.p

1 answer

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