College of Admission Tests Multan

Simple Arithmetic

Solve the question of and select the option from the choices A through D/E. Check your Answer and view the explanation.

Question: 10

Simplify: 5 5 + 5 5 + 5 5 + 5 5 + 5 5
  • 5 25
  • 5 7
  • 5 20
  • 25 5
  • 5 6

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Correct Answer: E

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When adding exponents, we first need to factor common terms.

Let's start by factoring out the following:

5 5 Factor.

5 5 + 5 5 + 5 5 + 5 5 + 5 5 = 5 5 ( 1 + 1 + 1 + 1 + 1 ) = 5 5 ( 5 ) = 5 6