Important Problems on Mathematical Operations for SSC CGL Onine Examination

Q1 - If "+" denotes "divided by", "x" denotes "added to", "÷" denotes "subtracted from" and "–" denotes "multiplied by", then 54 + 162 – 18 x 12 ÷ 6 = ? / यदि "+" का अर्थ "भाग" है, "x" का अर्थ "जोड़" है, "÷" का अर्थ "घटाव" है तथा "–" का अर्थ "गुणा" है, तो 54 + 162 – 18 x 12 ÷ 6 = ?
Options:
1) 4
2) 1 6
3) 12
4) 10
Correct Answer: 12

Q2 - If "–" means "added to", "+" means "divided by", "÷" means "multiplied by", "x" means "subtracted from", then 13 + 12 x 9 ÷ 3 – 6 = ? / यदि "–" का अर्थ "जोड़" है, "+" का अर्थ "भाग" है, "÷" का अर्थ "गुणा" है, "x" का अर्थ "घटाव" है, तो 13 + 12 x 9 ÷ 3 – 6 = ?
Options:
1) –117/1 1
2) 117/11
3) –237/1 2
4) –239/12
Correct Answer: –239/12

Q3 - If "–" means "divided by", "+" means "multiplied by", "÷" means "added to", "x" means "subtracted from", then 11 ÷ 6 – 2 + 5 x 3 = ? / यदि "–" का अर्थ "भाग" है, "+" का अर्थ "गुणा" है, "÷" का अर्थ "जोड़" है, "x" का अर्थ "घटाव" है, तो 11 ÷ 6 – 2 + 5 x 3 = ?
Options:
1) 17
2) 21
3) 23
4) 26
Correct Answer: 23

Q4 - If "x" denotes "added to", "÷" denotes "subtracted from", "+" denotes "divided by" and "–" denotes "multiplied by", then 14 x 12 – 16 ÷ 18 = ? / यदि "x" का अर्थ "जोड़" है, "÷" का अर्थ "घटाव" है, "+" का अर्थ "भाग" है तथा "–" का अर्थ "गुणा" है, तो 14 x 12 – 16 ÷ 18 = ?
Options:
1) 430
2) 180
3) 168
4) 188
Correct Answer: 188

Q5 - In a certain code language, '+' represents 'x', '-' represents '+', 'x' represents '÷' and '÷' represents '-'. What is the answer to the following question? 42 x 7 ÷ 7 + 9 - 62 = ? / किसी कोड भाषा में,  '+' का मतलब 'x' है, '-' का मतलब '+' है, 'x' का मतलब '÷' है और '÷' का मतलब '-' है। निम्नलिखित प्रश्न का उत्तर क्या है42 x 7 ÷ 7 + 9 - 62 = ?
Options:
1) 5
2) 87
3) 22
4) 2

Correct Answer: 5

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