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# Quantitative Aptitude For SSC CGL,CHSL : 21st January 2020 for triangle, algebra and height & distance

Q1. Two concentric circles having common centre ‘O’ and chord AB of the outer circle intersect the inner circle at points C and D. If distance of chord from the centre is 3 cm, outer radius is 13 cm and inner radius is 7 cm, then length of AC is cm is

Q2. In where DE intersects AB and AC at the points D and E respectively. If AD = 6 cm, DB = 12x–6 cm, AE = 2x cm and CE = 16–2x, then the value of x is

(a) 6 cm
(b) 4 cm
(c) 2 cm
(d) 8 cm

Q3. If the sides of a quadrilateral ABCD touch a circle and AB = 6 cm, CD = 5 cm, BC = 7 cm, then the length of AD in cm is

(a) 4
(b) 6
(c) 8
(d) 9

Q4. The area of the region bounded by with the coordinate axis is-

(a) 25 sq units
(b) 52 sq units
(c) 50 sq units
(d) 20 sq units

Q5.

(a) 5
(b) 4
(c) 3
(d) 2

Q6.

Q7. The height of a tower is h and the angle of elevation of the top of the tower from a point on the plane is On moving a distance h/2 towards the tower, the angle of elevation becomes . The value of

Q8. The vertex A of is joined to a point D on BC. If E is the midpoint of AD, then area

Q9. In a quadrilateral ABCD, with unequal sides if the diagonals AC and BD intersect at right angles, then

Q10.
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#### Solutions:

###### Important Questions on Simplification by Rohit Nama Sir | SSC CGL 2019 | Super Educator

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