A) + means -, - means\[\times \], \[\times \] means +, + means +
B) + means -, - means -, \[\times \] means +, \[\div \] means \[\times \]
C) + means \[\times \], - means -, \[\times \] means -, \[\times \] means -/ - means +
D) + means \[\div \], - means +, \[\times \] means -, \[\div \] means \[\times \]
Correct Answer: A
Solution :
(a) Using the operations given in (b), we get the given expression as: \[200\,\,+\,\,100\,\,-\,\,300\,\,+\,\,200\,\,\div \,\,10\,\,\times \,\,2\,\,-\,\,40\] \[=\,\,\,300\,\,-\,\,300\,\,+\,\,20\,\,\times \,\,2\,\,-\,\,40\] = \[0\,\,+\,\,40\,\,-\,\,40\,\,=\,\,0.\]You need to login to perform this action.
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