Reasoning - Mathematical Operations: 31 MCQs with Answers
Reasoning- Mathematical Operations
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0%Q1. यदि P, + को, Q, – को, R, ÷ को तथा S, × को इंगित करता है, तो 18 S 36 R 12 Q 6 P 7 का मान है :
Right Answer: 55
Explanation:
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Q2. कुछ समीकरण एक विशेष प्रणाली के आधार पर हल किए गए हैं। इसी आधार पर, अनुत्तरित समीकरण का सही उत्तर ज्ञात कीजिए : यदि 6241 = 9, तथा 3732 = 20 हो, तो 4523 बराबर है :
Right Answer: 21
Explanation:
दी गई संख्याओं में एक विशेष नियम लागू है — पहले दो अंकों का गुणनफल लेकर उसमें से तीसरा अंक घटाया जाता है और चौथा अंक जोड़ा जाता है। जाँच करें — 6241 के लिए 6 × 2 − 4 + 1 = 9, जो दिया गया है। इसी प्रकार 3732 के लिए 3 × 7 − 3 + 2 = 20, जो भी सही है। अब यही नियम 4523 पर लगाने पर 4 × 5 − 2 + 3 = 21 प्राप्त होता है। अतः सही उत्तर 21 है।
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Q3. यदि # = ×, @ = − तथा $ = + हो, तो 9 # 2 @ 3 $ 1 का मान ज्ञात कीजिए।
Right Answer: 16
Explanation:
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Q4. यदि 7 $ 3 = 58 और 6 $ 2 = 40, तो 5 $ 1 क्या है?
Right Answer: 26
Explanation:
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Q5. दो संख्याएँ 7:9 के अनुपात में हैं, और उनका योग 128 है। संख्याएँ ज्ञात कीजिए।
Right Answer: 56, 72
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Q6. यदि 16+11=A और 1/9=B, और A % B=(A×B)−1, तो A % B क्या है?
Right Answer: 2
Explanation:
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Q7. यदि 28 और 22 के योग को 8 से गुणा किया जाए तो परिणाम क्या होगा?
Right Answer: 400
Explanation:
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Q8. यदि x+2y=14 और x−y=5 है, तो x ज्ञात कीजिए।
Right Answer: 8
Explanation:
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Q9. यदि 6 $ 2 = 20 और 4 $ 3 = 19, तो 5 $ 2 = ?
Right Answer: 17
Explanation:
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Q10. यदि दो संख्याओं का अनुपात 3:5 है और उनका योग 64 है, तो संख्याएँ ज्ञात कीजिए।
Right Answer: 24, 40
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Q11. यदि 5 @ 3 = 28 और 4 @ 2 = 18, तो 6 @ 4 क्या है?
Right Answer: 40
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Q12. + और × तथा 3 और 9 को आपस में बदलने पर, निम्नलिखित में से कौन सा समीकरण सत्य होगा?
Right Answer: (3+5)×9=48
Explanation:
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Q13. यदि a % b = 37, जहाँ a % b = a + 2b, तो a और b का मान क्या है?
Right Answer: 27, 5
Explanation:
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Q14. यदि + = ×, − = +, × = ÷; तो 10 + 2 − 4 × 2 = ?
Right Answer: 22
Explanation:
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Q15. 7 खिलाड़ियों के एक टूर्नामेंट में, प्रत्येक खिलाड़ी दूसरे खिलाड़ी से एक बार खेलता है। कुल कितने मैच हैं?
Right Answer: 21
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Q16. यदि 6 $ 2 = 20 और 4 $ 3 = 19, तो 5 $ 2 = ?
Right Answer: 17
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Q17. यदि 5 @ 3 = 28 और 4 @ 2 = 18, तो 6 @ 4 क्या है?
Right Answer: 40
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Q18. + और × तथा 3 और 9 को आपस में बदलने पर, निम्नलिखित में से कौन सा समीकरण सत्य होगा?
Right Answer: (3+5)×9=48
Explanation:
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Q19. यदि a % b = 37, जहाँ a % b = a + 2b, तो a और b का मान क्या है?
Right Answer: 27, 5
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Q20. यदि + = ×, − = +, × = ÷; तो 10 + 2 − 4 × 2 = ?
Right Answer: 22
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Q21. यदि 5 # 3 = 19 और 7 # 2 = 17, तो 9 # 1 क्या है?
Right Answer: 11
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Q22. यदि 'X' का अर्थ '+', 'Y' का अर्थ '−', 'Z' का अर्थ '×' और 'W' का अर्थ '÷' है, तो निम्नलिखित व्यंजक का मान क्या है? 15 W 3 X 2 Y 4 = ?
Right Answer: 3
Explanation:
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Q23. यदि '+' का अर्थ '−' है, '−' का अर्थ '+' है, '×' का अर्थ '÷' है, तो 50 + 10 − 5 × 5 = ?
Right Answer: 41
Explanation:
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Q24. यदि 5@1=26, 3@4=13, तो 6@2=?
Right Answer: 38
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Q25. यदि 3&4=25 और 5&2=29, तो 6&3=?
Right Answer: 45
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