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At the same rate of simple interest in p...

At the same rate of simple interest in percent per annum, if a principal becomes the amount of Rs 1248 in 7 years and or Rs 1056 in 4 years. Find the principal and rate of simple interest in percent per annum.

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UNITED BOOK HOUSE-BARANAGAR RAMAKRISHAN MISSION HIGH SCHOOL-EXERCISE
  1. If ui = (xi-25)/10 , sumfiui = 30 and sumfi = 50, find barx.

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  2. If the rate of compound interet for the 1st and 2nd year are 4% and 5%...

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  3. At the same rate of simple interest in percent per annum, if a princip...

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  4. Solve: x/(x+1)+(x+1)/x = 2 1/12 (x!=0,-1)

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  5. If the price of 1 dozen pin is reduced by 2 paisa, then 6 more pins wi...

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  6. If x - sqrt((sqrt5+1)/(sqrt5-1)), show that x^2-x-1=0

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  7. y is sum of two variables, one in which varies directly with x and ano...

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  8. If (x^2-yz)/a=(y^2-zx)/b=(z^2-xy)/c , show that (a+b+c)(x+y+z)=(ax+by...

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  9. If b/(a+b)= (a+c-b)/(b+c-a)=(a+b+c)/(2a+b+2c) where a+b-c !=0, show th...

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  10. Answer any one question : Prove that angles in the same segment of a c...

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  11. State and prove the convere of the Pythagoras theorem.

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  12. ABCD is a cyclic quadrilaterla. Extended AB and DC intersect at P. Pr...

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  13. In a isosceles triangle ABC , angleB is right angle. Bisector of angle...

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  14. Draw a triangle ABC whose BC = 5cm, BA = 5.5 cm and angleABC = 70^@ dr...

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  15. Geometrically find the value of sqrt(24).

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  16. Difference between two acute angles of the right angled triangled is (...

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  17. In triangleXYZ, angleY = 90^@. If XY = 2sqrt3 unit and XZ-YZ = 2 unit...

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  18. If angleA+angleB = 90^@, show that 1+(tan A)/(tan B) = sec^2B tan^2A.

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  19. The heigths of two towers are 180 metres and 60 metres respectively. I...

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  20. The length of shadow of a tower standing on the ground is found to be...

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