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Newbie

## Draw two concentric circles of radii 2 cm and 5 cm. Take a point P on the outer circle and construct a pair of tangents PA and PB to the smaller circle. Measure PA.

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CBSE 10th Class past year question paper Year 2019 SET 1, Code Number-30/2/1 Question number – 26 (b)

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Newbie

## Construct an equilateral Δ ABC with each side 5 cm. Then construct another triangle whose sides are 2/3 times the corresponding sides of Δ ABC.

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CBSE 10th Class past year question paper Year 2019 SET 1, Code Number 30/2/1 Question number – 26 (a)

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Newbie

## A solid iron pole consists of a cylinder of height 220 cm and base diameter 24 cm, which is surmounted by another cylinder of height 60 cm and radius 8 cm. Find the mass of the pole, given that 1 cm³ of iron has approximately 8 gm mass. (Use ∏ = 3·14)

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CBSE 10th Class past year question paper Year 2019 SET 1, Code umber- 30/2/1 Question number – 25

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Newbie

## Amit, standing on a horizontal plane, finds a bird flying at a distance of 200 m from him at an elevation of 30°. Deepak standing on the roof of a 50 m high building, finds the angle of elevation of the same bird to be 45°. Amit and Deepak are on opposite sides of the bird. Find the distance of the bird from Deepak.

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CBSE 10th Class past year question paper Year 2019 SET 1, Code Number- 30/2/1 Question number – 24

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Newbie

## If a line is drawn parallel to one side of a triangle to intersect the other two sides in distinct points, then prove that the other two sides are divided in the same ratio.

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CBSE 10th Class past year question paper Year 2019 SET 1, Code number 30/2/1 Question number – 23

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Newbie

## Write all the values of p for which the quadratic equation x² + px + 16 = 0 has equal roots. Find the roots of the equation so obtained.

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CBSE 10th Class past year question paper Year 2019 SET 1, Code Number 30/2/1 Question number – 22

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Newbie

## Find the zeroes of the quadratic polynomial 7y² – 11/3 y – 2/3 and verify the relationship between the zeroes and the coefficients.

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CBSE 10th Class past year question paper Year 2019 SET 1, Code Number- 30/2/1 Question number – 21 (b)

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Newbie

## For what value of k, is the polynomial f(x) = 3x∧4 – 9x∧3 + x∧2 + 15x + k completely divisible by 3x∧2 – 5 ?

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CBSE 10th Class past year question paper Year 2019 SET 1, Code Number- 30/2/1 Question number – 21 (a)

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Newbie

## The marks obtained by 100 students in an examination are given below : Find the mean marks of the students.

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CBSE 10th Class past year question paper Year 2019 SET 1, Code Number 30/2/1 Question number – 20

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Newbie

## A solid is in the form of a cylinder with hemispherical ends. The total height of the solid is 20 cm and the diameter of the cylinder is 7 cm. Find the total volume of the solid. (Use Π = 22/7 )

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CBSE 10th Class past year question paper Year 2019 SET 1, Code number 30/2/1 Question number – 19