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A fraction becomes (8)/(11) if 3 is add...

A fraction becomes `(8)/(11)` if 3 is added to both the numerator and the denominator also if 3 is substracted from the numerator and the denominator it becomes `(2)/(5)` . Find the fraction .
OR
10 years hence the age of x will be 2 times that of age of y 10 years ago the age of x was six times that of age of y . what are their present ages ?

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CPC CAMBRIDGE PUBLICATION-PRACTICE QUESTION PAPER -QUESTIONS
  1. The sum of n natural numbers is 325 . Find n.

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  2. If every square similar to every Rectangle ? Why ?

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  3. Find the HCF of 105 and 1515 by prime factorization method.

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  4. If sintheta - (4)/(5) and Cos theta = (3)/(5) find the value of Sin^(2...

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  5. Find the value of 4 sin^(2) 60 + 3 tan^(2) 30 - 8 sin 45.cos 45

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  6. Find the vaolume of the hemisphere of radius 21 cm.

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  7. Prove that sqrt(2) + sqrt(3) is an irrational number.

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  8. Prove that the area of the euilateral traingle described on the side o...

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  9. Mention the following with respect to the cubic polynomial ax^(3) + bx...

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  10. Draw a circle of radius 4 cm and construct a pair of langents to the c...

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  11. If alpha and beta are the zeroes of the polynomial f(x) = 3x^(2)+5x+7 ...

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  12. Find the maximum valume of a cone that can be carved out of a solid h...

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  13. A fraction becomes (8)/(11) if 3 is added to both the numerator and t...

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  14. Find two consecutive positive integers , sum of whose squares is 365.

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  15. Prove that the tangent at any point of a circle is perpendicular to th...

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  16. Solve graphically : 5x+y=7 and 2x-2y=2

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  17. The sum of first n terms of an arithmetic progression is 210 and sum o...

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  18. The sum of the first three terms of an A.P is 33 . If the product of t...

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  19. The angle of elevation of the top of an unfinished verticle building o...

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  20. A cone of radius 10 cm is cut into two parts by a plane through the mi...

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