Question
Which two signs should be interchanged to make the given
equation correct?225 + 5 × 3 ÷ 5 – 7 = 133Solution
Given: 225 + 5 × 3 ÷ 5 – 7 = 133
d) + and ÷
=> 225 ÷ 5 × 3 + 5 – 7 = 133
=> 45 × 3 + 5 – 7 = 133
=> 135 + 5 – 7 = 133
=> 140 – 7 = 133
=> 133 = 133
Simplify the following expression -:
120 + 480 ÷ 16 × 6 + {(240 ÷ 2.5) × 5 + 120} ÷ 5
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