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The amount of ₹ a in 20 years at the rat...

The amount of ₹ a in 20 years at the rate of simple interest of a % per annum is ………………

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`a+a^2/5`
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CALCUTTA BOOK HOUSE-SAMPLE QUESTIONS PAPERS-QUESTION
  1. A right circular cylnder of same radius is made by melting a right mel...

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  2. The radius of a circle is increased by 2cm from 5 cm to 7 cm . What i...

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  3. The amount of ₹ a in 20 years at the rate of simple interest of a % pe...

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  4. The conjugate surd of (sqrt3 - 3) is ………..

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  5. Any cyclic parallelogram is a ………………. Figure.

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  6. The value of ( sin 12^@ xx cos 18^@ xx sec 78^@ xx "cosec"72^@) is ……...

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  7. If the numerical values of the volume and the curved surface area of a...

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  8. If the average of ( a1, a2 , a3………………. , an) be bar a then the average...

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  9. In a business the ratio of principals of Laxmi and Narayana is 4:5. If...

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  10. 2sqrtpi is a quadratic surd.

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  11. If the ratio of three sides of a triangle be 3:4:5, then the triangle ...

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  12. In Delta ABC, /B = 90^@ If AB = BC then prove /C= 45^@

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  13. The volume of a right circular cone remains the same when its radius o...

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  14. The mode of the frequency distributions 2, 3, 9, 10, 9, 3, 9, is 10.

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  15. Find the rate of simple interest in percent per annum if the simple in...

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  16. Determine the period of time if a principal be doubled in t years at a...

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  17. If one of the roots of the quadratic equation be x^2 - (1+b)x+6 = 0 be...

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  18. If a/2=b/3 =c/4 =(3a-ab+4c)/p, then find the value of p.

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  19. Simplify : sqrt2 - sqrt(18) + sqrt(27) - sqrt(32)

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  20. If x prop y^2 and y = 2a, when x = a, then find the relation between x...

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