What will come in the place of the question mark (?) in the following equation if ' + ' and ' - ' are interchanged and ' x ' and ' ÷ ' are interchanged?
163÷3+147×7-1= ?
Given: 163 ÷ 3 + 147 × 7 – 1 = ?
' + ' and ' - ' are interchanged and ' × ' and ' ÷ ' are interchanged we find following equation-
163×3-147÷7+1
Explanation:
Following the BODMAS rule (Bracket, Orders (i.e. powers and square roots, etc.), Division and Multiplication, Addition and Subtraction):
1. Division (÷): 163×3-21+1
2. Multiplication (×): 489-21+1
3. Addition (+): 490 - 21
4. Subtract (-): 469
Final Answer: (a)
English
80 Questions
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60 Mins English English20 Questions40 Marks12 Mins English English80 Questions160 Marks60 Mins EnglishIf 'A' means '÷', 'B' means 'x', 'C' means '+' and 'D' means '−', then what will come in place of the question mark (?) in the following equation?
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