Find the value of  45−3×(4 of 6+12÷3×6−4×5)+6

Options
a) -45
b) -145
c) -33
d) -30

Solutions

As per questions
= $ \ 45 – 3\times ( 4\times 6 + 12\div 3\time 6 – 4\times 5) + 6$
= $ \ 45-3 \times ( 24 + 24 – 20) + 6$
= $ \ 45 – 3 \times ( 48 -20 )+ 6$
= $ \ 45- 3 \times 28 + 6$
= 45 – 84 + 6
= 51 – 84
= -33

Ans: c) -33