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Let A and B be two solid spheres such th...

Let A and B be two solid spheres such that the surface area of B is 300% higher than the surface area of A. The volume of A is found to be k% lower than the volume of B. The value of k must be-
मान A तथा B दो ठोस गोले है जिसमें B का पृष्ठीय क्षेत्रफल, A के पृष्ठीय क्षेत्रफल से 300% अधिक है। A का आयतन, B के आयतन से k% कम है, तो k का मान होगा?

A

90.5

B

87.5

C

85.5

D

92.5

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Surface area of a sphere is 300% more than the surface area of another sphere B.If the volume of sphere B is p % less than the volume of sphere A find the value of p.

गोला| गोले का पृष्ठीय क्षेत्रफल|उदाहरण|सारांश

Edge of a cube is 8cm. What is the total surface area of the cube? किसी घन का किनारा 8 सेमी का है | इस घन का कुल पृष्ठीय क्षेत्रफल ज्ञात करें |

The diameter of a sphere is twice the diameter of another sphere. The surface area of the first sphere is equal to the volume of the second sphere. The magnitude of the radius of the first sphere is एक गोलक का व्यास एक दूसरे गोलक के व्यास से दुगना है। पहले गोलक का पृष्ठीय क्षेत्रफल दूसरे गोलक के आयतन के बराबर है। पहले गोलक की त्रिज्या का आकार बताइए?

The ratio of the curved surface area and total surface area of a right circular cylitiderds 2 : 5. If the total surface area is 3080 cm^2 , then what is the volume (in cm^3 ) of the cylinder? एक लम्बवत वृत्ताकार बेलन के वक्र पृष्ठीय क्षेत्रफल तथा कुल पृष्ठोय क्षेत्रफल का अनुपात 2 : 5 है। यदि कूल पृष्ठीय क्षेत्रफल 3080 से.मी.^2 है, तो बेलन का आयतन ( से.मी.^2 में) क्या है?

The volumes of two spheres are in the ratio of 64:125. The ratio between their surface areas is : दो गोलों का आयतन 64:125 के अनुपात में है तो उनके पृष्ठ क्षेत्रफल का अनुपात है:

The average score in Mathematics of 90 students of sections A and B together is 49. The number of students in A was 25% more than that of B, and the average score of the students in B was 20% higher than that of the students in A. What is the average score of the students in A? खंड A तथा खंड B के 90 छात्रों का गणित में औसत अंक 49 है | A के छात्रों की संख्या B के छात्रों से 25% अधिक है तथा B के छात्रों का औसत अंक A के छात्रों के औसत अंक से 20% अधिक है | A के छात्रों का औसत अंक कितना है ?

The sum of the radii of spheres A and B is 14 cm, the radius of A being larger than that of B. The difference between their surface area is 112 pi . What is the ratio of volumes of A and B? गोला A और B के त्रिज्या का योग 14 सेमी है, A की त्रिज्या B की तुलना में बड़ी है। उनके सतह क्षेत्रफल के बीच का अंतर 112 pi है। A और B के आयतन का अनुपात क्या है?

CHAMPION PUBLICATION-2012 TIER-II PAPER(22)-EXERCISE
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  11. If theta is a positive acute angle and tan 2 theta .tan 3 theta = 1, t...

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