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Question

Fill in the blanks: [1.5×(1+___)]÷4.5+1÷2=1


  1. 0.5

  2. 1

  3. 0

  4. 0.3


Solution

The correct option is A

0.5


We have to use BODMAS rule for the calculations. Let the number in the blank be x.{[1.5×(1+x)]÷4.5+1÷2}=1{[1.5+1.5x)]÷4.5+1÷2}=1{[1.5+1.5x)]÷4.5+0.5}=11.5÷4.5+1.5x÷4.5=10.513=1213x3=15x=12x=0.5

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