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If 4x + 5y = 83 and 3x : 2y = 21 : 22 t...

If `4x + 5y = 83 and 3x : 2y = 21 : 22` then y - x equals

A

3

B

4

C

7

D

11

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7x - 2y = 3 , 22x - 3y = 16 .

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CHAMPION PUBLICATION-2013 TIER-II PAPER(20)-EXERCISE
  1. Area of the triangle formed by the graph of the straight lines x-y=0,x...

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  2. The value of (1)/( a^(2) + ax + x^(2)) - (1)/( a^(2) - ax + x^(2)) + ...

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  3. If 4x + 5y = 83 and 3x : 2y = 21 : 22 then y - x equals

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  4. If x= 11, then the value of x^5 -12x^4 +12x^3 -12x^2+12x-1 is - यदि ...

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  5. If p=999, then the value of p(p^2+3p+3) is - यदि p=999, तो p(p^2+3p+...

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  6. Two chords of length 'a' meter and 'b' meter make an angle of 60^(@) a...

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  7. In a triangle ABC, angle A+1/2 angle B+angle C= 140^@, then angle B is...

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  8. The radius of a circle is 6 cm. The distance of a point lying outside ...

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  9. If ABCD be a cyclic quadrilateral in which angle A = 4x^@, angle B = 7...

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  10. G is the centroid of the equilateral DeltaABC. If AB = 10 cm then leng...

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  11. Two chords AB and CD of a circle with centre O, intersect each other a...

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  12. ABCD is a cyclic quadrilateral and AD is a diameter. If /DAC = 55^@ th...

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  13. In triangle ABC a straight line parallel to BC intersects AB and AC at...

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  14. ABC is an isosceles triangle such that AB = AC and AD is the median to...

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  15. A man goes 24m due wes and then 10 m due north. How far is he from the...

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  16. From the top of a tower of height 180 m the angles of depression of tw...

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  17. ABCD is a rectangle of which AC is a diagonal .The value of ...

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  18. If tan x = sin 45^@. cos 45^@ + sin30^@, then value of x is - यदि tan ...

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  19. For any real values of theta,sqrt((sectheta-1)/(Sectheta+1))=?

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  20. If the sum and difference of two angles are 135^(@)and(pi)/(12) ...

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