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Numerical Ability
Number System
Find the value of (a3)5 / (a2)4
(a) 7a (b) a7 (c) -a7 (d) None of these
Read Solution (Total 3)
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- ((a^3)^5)/((a^2)^4) = a^(3*5)/a^(2*4) = a^15/a^8 = a^(15-8) = a^7
- 11 years agoHelpfull: Yes(11) No(0)
- a7 is the ans
- 11 years agoHelpfull: Yes(2) No(8)
- very simple ((a)^3)*5=a^15
and (a^2)^4=a^8
now a^15/a^8=a^15-8=a^7 - 11 years agoHelpfull: Yes(0) No(0)
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