Question Bank - Logical Reasoning

Here's the question bank on all the logical reasoning topics.

Select the correct sequence of mathematical signs to sequentially replace the ? signs and balance the given equation.8 * 20 * 320 * 20 * 10 = 166

A.
+, Ã—, -, Ã·
B.
×, +, Ã·, -
C.
÷, Ã—, +, -
D.
-, Ã·, +, Ã—

Solution:

The logic followed here is :-By using BODMAS RULE :Option 1) : +, ×, -, ÷ Given equation is : 8 * 20 * 320 * 20 * 10 = 166After inserting the signs in given equation the equation is as follows : ? 8 + 20 × 320 - 20 ÷ 10 = 166? 8 + 20 × 320 - 2 = 166? 8 + 6400 - 2 = 166? 6408 - 2 = 166? 6406 ? 166Option 2) : ×, +, ÷, -Given equation is : 8 * 20 * 320 * 20 * 10 = 166After inserting the signs in given equation the equation is as follows : ? 8 × 20 + 320 ÷ 20 - 10 = 166? 8 × 20 + 16 - 10 = 166? 160 + 16 - 10 = 166? 176 - 10 = 166? 166 = 166LHS = RHSOption 3) : ÷, ×, +, -Given equation is : 8 * 20 * 320 * 20 * 10 = 166After inserting the signs in given equation the equation is as follows : ? 8 ÷ 20 × 320 + 20 - 10 = 166? 0.4 × 320 + 20 - 10 = 166? 128 + 20 - 10 = 166? 148 - 10 = 166? 138 ? 166LHS ? RHSOption 4) : -, ÷, +, × Given equation is : 8 * 20 * 320 * 20 * 10 = 166After inserting the signs in given equation the equation is as follows : ? 8 - 20 ÷ 320 + 20 × 10 = 166? 8 - 0.0625 + 20 × 10 = 166? 8 - 0.0625 + 200 = 166? 208 - 0.0625 = 166? 207.9375 ? 166LHS ? RHSHence, the correct answer is "×, +, ÷, -".

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