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 41-50 of 600 questions.
B. (150)
चित्रों की संख्या \(3,4,5,\ldots\) है। (S_{15}=\frac{15}{2}(3+17)=150)। / The number of drawings is \(3,4,5,\ldots\). (S_{15}=\frac{15}{2}(3+17)=150).
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B. (26)
कमरों की संख्या \(2,5,8,\ldots\) है। (a_9=2+8(3)=26)। / The number of rooms is \(2,5,8,\ldots\). (a_9=2+8(3)=26).
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C. (1350)
टिकट बिक्री \(100,150,200,\ldots\) है। \(S_6=1350\)। / The ticket sales are \(100,150,200,\ldots\). \(S_6=1350\).
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B. (30)
खिलौनों की संख्या समान्तर श्रेणी है। (a_8=9+7(3)=30)। / The number of toys forms an AP. (a_8=9+7(3)=30).
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B. (110)
परीक्षार्थियों की संख्या \(2,4,6,\ldots\) है। \(S_{10}=110\)। / The number of candidates is \(2,4,6,\ldots\). \(S_{10}=110\).
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B. (50)
बोरों की संख्या \(14,20,26,\ldots\) है। (a_7=14+6(6)=50)। / The number of sacks is \(14,20,26,\ldots\). (a_7=14+6(6)=50).
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C. (252)
मरीजों की संख्या \(10,12,14,\ldots\) है। \(S_{12}=252\)। / The number of patients is \(10,12,14,\ldots\). \(S_{12}=252\).
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B. (20)
वीडियो की संख्या समान्तर श्रेणी है। (a_9=4+8(2)=20)। / The number of videos forms an AP. (a_9=4+8(2)=20).
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C. (280)
डिब्बों की बिक्री \(25,30,35,\ldots\) है। \(S_7=280\)। / The box sales are \(25,30,35,\ldots\). \(S_7=280\).
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B. (33)
गमलों की संख्या \(13,15,17,\ldots\) है। (a_{11}=13+10(2)=33)। / The number of pots is \(13,15,17,\ldots\). (a_{11}=13+10(2)=33).
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