Exercise 8.8
Q. No. 1. A. M. of two numbers is 50 and H. M. is 18. Find the numbers.
Q. No. 2. If ratio of H. M. and G. M. of two numbers is 12 : 13, then prove that ratio of numbers is 4 : 9.
Q. No. 3. The difference between A. M. and G. M. is 2, difference between G. M. and H. M. is 1.2. Find the numbers.
Q. No. 4. Three number a, b, c are in G. P. and a^x = b^y = c^z, then prove that x, y, z will be in H. P.
Q. No. 5. Three numbers a, b, c are in H. P. Prove that 2a - b, b, 2c - b will be in G. P.
Q. No. 6. If a, b, c are in A. P. x, y, z are in H. P. and ax, by, cz are in G. P., then prove that : x/z + z/x = a/c + c/a
Class 11th maths
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Ex: 8.8 | Q.No. 1 to 6 | Basic & Relation between GM, AM and HM | Class 11th Mathematics In Hindi vishwakarma university | |
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| Education | Upload TimePublished on 24 Jun 2018 |
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