Which two numbers, from amongst the given options, should be interchanged to make the given equation correct
Which two numbers, from amongst the given options, should be interchanged to make the given equation correct?
72 + ( 7 × 8 ) – ( 126 ÷ 14 ) – ( 4 )2 = 150
A. 72 and 126
B. 7 and 4
C. 8 and 4
D. 14 and 7
Sol:
Given
72 + ( 7 × 8 ) – ( 126 ÷ 14 ) – ( 4 )2 = 150
Interchange 14 and 7
72 + ( 14 × 8 ) – ( 126 ÷ 7 ) – ( 4 )2
=72+112-18-16
=150