( 170 +  50) ÷ 3.99 + ? = 149.99 ÷ 2.99

( 170 +  50) ÷ 3.99 + ? = 149.99 ÷ 2.99

( 170 +  50) ÷ 3.99 + ? = 149.99 ÷ 2.99

a)            19

b)            10

c)            16

d)            17

e)            45

Sol:

( 170 + 50) ÷ 3.99 + ? = 149.99 ÷ 2.99

( 169 + 49) ÷ 4 + ? = 150 ÷ 3

(13 + 7) ÷ 4 + ? = 50

20 ÷ 4 + ? = 50

? = 50 – 5

? = 45

quantitative aptitude
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