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If radius of a circle is increased by 5%...

If radius of a circle is increased by 5%, then the increase in its area is?
यदि किसी वृत्त की त्रिज्या 5% बढ जाती है, तो इसके क्षेत्रफल में कितने प्रतिशत की वृद्धि हो जाती हे?

A

A)0.1

B

B)0.05

C

C)0.1025

D

D)0.0575

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If each edge of a cube is increased by 10%, then the percentage increase in its surface area is: यदि किसी घन के प्रत्येक किनारे को 10% बढ़ा दिया जाता है, तो इसके पृष्ठ क्षेत्रफल में कितने प्रतिशत की वृद्धि होगी?

If radius of a circle is decreased by 11%, then the total decrease in the area of the circle is given as: यदि किसी वृत्त की त्रिज्या 11% कम कर दी जाए, तो वृत्त के क्षेत्रफल में कितने प्रतिशत की कमी होगी ?

If each side of a square is decreased by 17%, then by what percentage does its area decrease? यदि किसी वर्ग का प्रत्येक भुजा को 17% घटाया जाता है, तो उसके क्षेत्रफल में कितने प्रतिशत की कमी आती है?

If each side of a rectangle is decreased by 11%, then the area will decrease by: यदि आयत की प्रत्येक भुजा में 11% की कमी होती है, तो क्षेत्रफल में कितनी कमी आएगी?

If each side of a rectangle is increased by 13%, then its area will increase by : यदि किसी आयत की प्रत्येक भुजा को 13% से बढ़ा दिया जाए, तो इसका क्षेत्रफल कितना बढ़ जाएगा ?

The radius of a cylinder is increased by 150% and its height is increased by 50%. What is the percentage increase in its volume? एक बेलन की त्रिज्या 150% बढ़ा दी जाती है और इसकी ऊंचाई में 50% की वृद्धि कर दी जाती है | इसके आयतन में कितने प्रतिशत की वृद्धि होगी ?

The radius of a cylinder is increased by 60% and height is decreased by 20%, what is percentage increase in it’s volume? एक बेलन की त्रिज्या 60% बढ़ा दी जाती है और ऊंचाई 20% कम कर दी जाती है | इसके आयतन में कितने प्रतिशत की वृद्धि होगी ?

The radius of a sphere is increased by 140%. By what percent is the volume increased? एक गोले की त्रिज्या 140% बढ़ा दी जाती है। आयतन कितने प्रतिशत बढ़ेगा ?

If the radius of a right circular cylinder is decreased by 10% and height is increased by 20%, then the percentage increase/ decrease in its volume is: यदि एक लम्ब वृत्तीय बेलन की त्रिज्या 10% कम कर दी जाए तथा ऊंचाई 20% बढ़ा दी जाए, तो इसके आयतन में कितने प्रतिशत की वृद्धि या कमी होगी ?

CHAMPION PUBLICATION-2014 TIER-II PAPER(19)-EXERCISE
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  2. A piece of wire when bent to form a circle will have a radius of 84 cm...

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  3. If radius of a circle is increased by 5%, then the increase in its are...

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  4. A parallelogram has sides 30 cm and 20 cm and one of its diagonal is ...

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  5. On increasing each side of a square by 50%, the ratio of the area of n...

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  6. The area of a circle is 324 pi square cm. The length of its longest ch...

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  7. The area of a rhombus is 256 sq. cm. and one of its diagonal is twice ...

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  8. If m=sqrt(5+sqrt(5+sqrt(5+…..))) and n=sqrt(5-sqrt(5-sqrt(5-…..))), th...

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  9. If (3- 5x )/( 2x) + (3-5 y )/(2y) + (3 - 5 z)/(2x) = 0, then the val...

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  10. The distance between 2 places R and S is 42 km. Anita starts from R wi...

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  11. If the side of a square is (1)/(2)(x+1) units and its diagonal is (3-x...

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  12. If 2s = a +b + c, then the value of s (s -c ) + (s -a) (s-b) is :

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  13. If p + m = 6 and p ^(3) + m ^(3) = 72, then the value of pm is :

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  14. Where x ^(m) is multiplied by x ^(n) product is 1. The relation betwee...

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  15. The area (in sq. unit) of the triangle formed by the graphs of the equ...

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  16. If (2p)/( p ^(2) - 2p +1) = (1)/(4), then the value of p + (1)/(p) wil...

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  17. If the ordinate and abscissa of the point (k, 2 k - 1) be equal...

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  18. ABC is a triangle in which DE||BC and AD:DB = 5:4. Then DE:BC is

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  19. The radii of two concentric circles are 17 cm and 25 cm. A straight li...

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  20. AB is a diameter of a circle with centre O. The tangents at C meets AB...

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