Practice focused topic-wise MCQs with answers and explanations for quick revision and exam preparation.
Difficulty select karke sirf is topic ke focused MCQs practice karein. Score, timer aur explanations student-friendly flow me milenge.
Showing 71-80 of 591 questions.
If \(r\le 0\), which of the following values is possible?
C. (0)
\(r\le 0\) में (0) और उससे छोटी संख्याएँ शामिल हैं। बराबरी वाले चिह्न में सीमा मान भी हल होता है। / In \(r\le 0\), (0) and smaller numbers are included. With an equality sign, the boundary value is also a solution.
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B. \(m\ge 33\)
कम से कम (33) का अर्थ (33) या उससे अधिक है। इसलिए सही रूप \(m\ge 33\) है। / At least (33) means (33) or more. Therefore the correct form is \(m\ge 33\).
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B. \(w\le 20\)
अधिक नहीं का अर्थ अधिकतम (20) है इसलिए \(w\le 20\)। अधिकतम वाले शब्द में बराबरी शामिल होती है। / Not more than means at most (20), so \(w\le 20\). The word maximum includes equality.
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The price of a book is less than (250) rupees. If the price is (p), what is the correct inequality?
A. (p<250)
से कम का अर्थ सख्त रूप से कम है इसलिए (p<250)। अगर बराबर शामिल हो तो \(\le\) लिखा जाता है। / Less than means strictly smaller, so (p<250). If equality is included, we write \(\le\).
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In a competition, age must not be less than (16) years. If age is (a), which inequality is correct?
C. \(a\ge 16\)
कम नहीं का अर्थ कम से कम (16) है इसलिए \(a\ge 16\)। ऐसे वाक्यों में बराबरी को न छोड़ें। / Not less than means at least (16), so \(a\ge 16\). Do not miss equality in such sentences.
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If (x=7), which inequality is true?
C. (x>4)
(7>4) सत्य है इसलिए (x>4) सही है। दिए गए मान को हर विकल्प में रखकर जाँचें। / (7>4) is true, so (x>4) is correct. Substitute the given value in each option.
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Which is the solution of \(x+2\ge 9\)?
A. \(x\ge 7\)
दोनों ओर (2) घटाने पर \(x\ge 7\) मिलता है। जोड़ या घटाव से दिशा नहीं बदलती। / Subtracting (2) from both sides gives \(x\ge 7\). Addition or subtraction does not change the direction.
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What is the correct solution of (8-x<3)?
A. (x>5)
(8-x<3) से (-x<-5) मिलता है और ऋणात्मक से भाग देने पर (x>5)। (-x) हटाते समय चिह्न पलटता है। / From (8-x<3), we get (-x<-5), and dividing by a negative gives (x>5). The sign reverses when removing (-x).
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Which is the solution of \(6x+4\le 22\)?
A. \(x\le 3\)
पहले (4) घटाएँ फिर (6) से भाग दें तो \(x\le 3\)। दो चरणों वाले प्रश्न में क्रम सही रखें। / First subtract (4), then divide by (6), giving \(x\le 3\). Keep the order correct in two-step questions.
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What is the correct solution of \(10-2x\ge 4\)?
A. \(x\le 3\)
\(10-2x\ge 4\) से \(-2x\ge -6\) और (-2) से भाग देने पर \(x\le 3\)। ऋणात्मक भाग में दिशा बदलती है। / From \(10-2x\ge 4\), we get \(-2x\ge -6\), and division by (-2) gives \(x\le 3\). Negative division changes the direction.
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