Question
Select the correct combination of mathematical signs to
sequentially replace the * signs and to balance the given equation. 30 * 4 * 2 * 1 * 121Solution
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.
What will be the mode of the following data?
13, 15, 31, 12, 27, 13, 27, 30, 27, 28 and 16
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