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 131-140 of 591 questions.
If (x) is an integer and \(-4<x\le 1\), what are the values of (x)?
B. \(x\in{-3,-2,-1,0,1}\)
(-4) शामिल नहीं है पर (1) शामिल है। पूर्णांक मान (-3,-2,-1,0,1) होंगे। / The value (-4) is not included but (1) is included. The integer values are (-3,-2,-1,0,1).
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Which inequality shows that (n) is minimum (18)?
C. \(n\ge 18\)
न्यूनतम (18) का अर्थ (18) या उससे अधिक है। इसलिए \(n\ge 18\) सही है। / Minimum (18) means (18) or more. Therefore \(n\ge 18\) is correct.
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Which inequality shows that (u) is less than or equal to (25)?
B. \(u\le 25\)
से कम या बराबर का प्रतीक \(\le\) होता है। इसलिए \(u\le 25\) सही है। / The symbol for less than or equal to is \(\le\). Therefore \(u\le 25\) is correct.
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If (a>b) and (5) is added to both sides, which statement is always true?
A. (a+5>b+5)
दोनों ओर समान संख्या जोड़ने से दिशा नहीं बदलती। इसलिए (a+5>b+5) हमेशा सही है। / Adding the same number to both sides does not change the direction. Therefore (a+5>b+5) is always true.
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If (a<b) and (k>0), which statement is correct?
A. (ak<bk)
धनात्मक संख्या से गुणा करने पर असमानता की दिशा वही रहती है। (k>0) की शर्त जरूरी है। / Multiplication by a positive number keeps the inequality direction the same. The condition (k>0) is necessary.
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If (a>b) and (k<0), which statement is correct?
B. (ak<bk)
ऋणात्मक संख्या से गुणा करने पर असमानता उलट जाती है। इसलिए (ak<bk) सही है। / Multiplying by a negative number reverses the inequality. Therefore (ak<bk) is correct.
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What is the solution of (x+11>11)?
A. (x>0)
दोनों ओर (11) घटाने पर (x>0) मिलता है। समान पद हटाकर सरल रूप बनाइए। / Subtracting (11) from both sides gives (x>0). Remove equal terms to get the simple form.
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What is the solution of \(\frac{x}{6}\le 2\)?
A. \(x\le 12\)
दोनों ओर (6) से गुणा करने पर \(x\le 12\) मिलता है। धनात्मक गुणा में चिह्न नहीं पलटता। / Multiplying both sides by (6) gives \(x\le 12\). Positive multiplication does not reverse the sign.
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What is the correct solution of \(\frac{x}{-5}>3\)?
B. (x< -15)
दोनों ओर (-5) से गुणा करने पर चिह्न पलटेगा इसलिए (x<-15)। ऋणात्मक गुणा में दिशा बदलती है। / Multiplying both sides by (-5) reverses the sign, so (x<-15). Negative multiplication changes the direction.
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Which is the solution of (18<6x)?
A. (x>3)
दोनों ओर (6) से भाग देने पर (3<x) यानी (x>3) मिलता है। रूप बदलते समय दिशा का अर्थ जाँचें। / Dividing both sides by (6) gives (3<x), that is (x>3). When rewriting, check the meaning of the direction.
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