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X BOARDS-CBSE BOARDS 2020-SECTION -A
- The discriminant of the quadratic equation 4x^2 - 6x +3 = 0 is (A) 1...
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- For the following frequency distribution The upper limit of media...
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- If Cos A =(sqrt(3))/(2), 0^(@) lt A lt 90^(@) , then A is equal to
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- The probability of an impossible event is 0 (b) 1 (c) 1//2 (d) n...
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- If a pair of linear equations is consistent, then the lines represente...
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- the distance between the points (3,-2) and (-3,2) is
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- 180 can be expressed as a product of its prime factors as
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- The total surface area of frustum shaped glass tumbler is (r1 (gt) r2)...
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- If 2 is a zero of the polynomial ax^2-2x then the value of a is ........
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- if the radii of two spheres are in the ratio 2:3, then the ratio of th...
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- A line intersecting a circle in two points is called a .
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- if ar((triangle)PQR) is zero, then the points P,Q and R A are --------...
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- All squares are . (congruent/similar)
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- A coin is tossed twice, the probability of getting head both the times...
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- Find the radius of the sphere whose surface area is 36pi cm^(2).
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- Find the value of x so that -6, x, 8 are in AP
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- Find the 11^(th) term of the A.P. -27, -22, -17, -12......
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- In figure , the angle of elevation of the top of a tower AC from a poi...
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- Evaluate tan 40^@ xx tan 50^@
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- If cos A = sin 42^@, then find the value of A.
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