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Question

Select the correct combination of mathematical signs to sequentially replace the * signs and to balance the given equation.

30 * 4 * 2 * 1 * 121

A ×, −, +, = Correct Answer Incorrect Answer
B ×, −, ÷, = Correct Answer Incorrect Answer
C ×, +, −, = Correct Answer Incorrect Answer
D ÷, +, −, = Correct Answer Incorrect Answer

Solution

30 * 4 * 2 * 1 * 121  On replacing * by mathematical symbols 30 × 4 + 2 - 1 = 121 L.H.S. = 30 × 4 + 2 - 1 = 120 + 2 - 1 = 120 + 1 = 121 = R.H.S.

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