A) \[\div \] and \[\times \]
B) + and \[\times \]
C) + and \[\div \]
D) + and ?
Correct Answer: A
Solution :
From the choices. [a] Interchange \[\div \] and \[\times \] We get, \[\mathbf{5+6\times ~312\div ~2=17}\][Use 'BODMAS' rule] \[5+18-6=17\Rightarrow 17=17\] [b] Interchange \[\div \] and \[\times \] We get, \[5\times ~6\div ~312+2-17\][Use 'BODMAS' rule] \[10-10=17\Rightarrow ~0\ne 17\] [c] Interchange \[\div \] and \[\times \] We get, [Use BODMAS' rule] \[0.83+3-24=17~\Rightarrow -\text{ }20.17\ne 17\] [d] Interchange \[\div \] and \[\times \] We get, \[5\div ~6+312~\times 2=17\][Use 'BODMAS' rule] \[52+24=17\Rightarrow ~3+24=17\Rightarrow 27\ne 17\]
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