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The pair of linear equations (3x)/(2)+...

The pair of linear equations
`(3x)/(2)+(5y)/(3)=7 and 9x+10y=14` is

A

consistent

B

inconsistent

C

consistent with one solution

D

consistent with many solutions

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Solve the following pairs of equations by reducing them to a pair of linear equations:(i) 1/(2x)+1/(3y)=2 ; 1/(3x)+1/(2y)=(13)/6 (ii) 2/(sqrt(x))+3/(sqrt(y))=2 ; 4/(sqrt(x))-9/(sqrt(y))=-1 (iii) 4/x+3y=14 ; 3/x-4y=23

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Solve the following pair of linear equations by the substitution method. (i) x+y=14 ;x- y=4 (ii) s-t=3; s/3+t/2=6 (iii) 3x-y=3;9x-3y=9 (iv) 0. 2 x+0. 3 y=1. 3 ;0. 4 x+0. 5 y=2. 3 (v) sqrt(2)x+sqrt(3)y=0;sqrt(3)x-sqrt(8)y=0 (vi) 3x/2-5y/2=-2;x/3+y/2=13/6

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X BOARD PREVIOUS YEAR PAPER ENGLISH-CBSE BOARDS 2020-QUESTION
  1. The point on the axis which is equidistant from (-4,0) and (10,0) is ,...

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  2. The centre of a circle whose end points of a diameter are (-6,3) and (...

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  3. The pair of linear equations (3x)/(2)+(5y)/(3)=7 and 9x+10y=14 is

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  4. In figure PQ is tangent to the circle with centre at O at the ...

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  5. The radius of a sphere (in cm) whose volume is 12pi cm^3, is (A) 3 ...

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  6. Can (x^2 - 1) be a remainder while dividing x^4 - 3x^2 + 5x -9 by x^2 ...

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  7. Find the sum of the first 100 natural numbers.

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  8. Evaluate : 2 sec 30^(@) xx tan 60^(@)

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  9. The angle elevation of the top of a tower from a point C on the ground...

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  10. In Figure, a quadrilateral ABCD is drawn to circumscribe a circle . ...

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  11. Find the perimeter of DeltaABC, if AP=12 cm

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  12. How many cubes of side 2 cm can be made from a solid cube of side 10 c...

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  13. In the given figure, DE||AC and DF||AE. Prove that (BF)/(FE)=(BE)/(E...

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  14. Show that 5+2sqrt(7) is an irrational number, where sqrt(7) is given t...

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  15. Check whether 12^n can end with the digit 0 for any natural number n.

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  16. If A, B and C are interior angles of a DeltaABC, then show that cot(...

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  17. In Figure , a square OPQR is inscribed in a quadrant OAQB of a circle....

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  18. Draw a triangle ABC with side BC = 6 cm, AB = 5 cm and angleABC=60^@. ...

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  19. Draw a circle of radius 3.5 cm . Take a point P outside the circle at ...

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  20. Prove that : (2 cos^(3) theta-cos theta)/(sin theta-2 sin^(3)theta)=c...

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