Simplification

Quantitative Aptitude ( CCS)

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28^4.9 * 7 ^0.1*2^0.2/[7^-2.5*2^-5]=28^?

8

5.5

6

7.5

None

Explanation:

=28^4.9*7 ^0.1*4^0.1/(7^-2.5*4^-2.5)
=28^4.9*28^0.1/28^-2.5
=28^4.9+0.1+2.5 = 28^7.5.

Hence, option 4 is the correct answer.

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