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x+x2+x4+x8=15x+\frac{x}2+\frac{x}4+\frac{x}8=15

ആയാൽ x ന്റെ വില എത്ര?

A1

B2

C8

D4

Answer:

C. 8

Read Explanation:

x+x2+x4+x8=15x+\frac{x}2+\frac{x}4+\frac{x}8=15
8x+4x+2x+x8=15\frac{8x+4x+2x+x}{8}=15
15x8=15\frac{15x}8=15
15x=15×815x=15\times8
x=8x=8


Related Questions:

A book shelf contains 45 books more than 1/20th of the total books in a library. If there are 109 books in the shelf, how many books are there in the library.?
3/10 + 5/100 + 8/1000 = ?

1.06×7.8×0.639×2.12×0.03\frac {1.06 \times 7.8 \times 0.6 }{ 39 \times 2.12 \times 0.03} =

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135+189+245=1\frac35+1\frac89+2\frac45=