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Quantitative Aptitude

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Percentage & Averages

Question
21 out of 25
 

The average of 5 numbers is 69. The average of first two number is 80 while last two is 42 what is third number .



A 97
B 101
C 115
D 120
E None of these

Ans. B Third number = ( 5 x 69) – [(80 x 2) + ( 42 x 2)]

= 345 – [160+84] = 101

Percentage & Averages Flashcard List

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