Question

Which of the following meanings of the arithmetical signs
will yield the value ‘zero’ for the expression given below–
200 × 100 + 300 × 200 – 10 ÷ 2 + 40
(1) + means –, – means ×, × means ÷, ÷ means +
(2) + means –, – means ÷, × means +, ÷ means ×
(3) + means ×, – means –, × means ÷, ÷ means +
(4) + means ÷, – means +, × means –, ÷ means ×

Answer 1

Using the operations given in (2), we get the given expression as:

200+100−300+200÷10×2−40

=300−300+20×2−40

=0+40−40

=0

Answer 2

Answer:

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