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 351-360 of 600 questions.
What will be the (16)th term of \(8,14,20,26,\ldots\)?
C. (98)
पहला पद (8) और समान अंतर (6) है। (16)वाँ पद \(8+15\times6=98\) है। / The first term is (8) and the common difference is (6). The (16)th term is \(8+15\times6=98\).
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What is the (11)th term of \(160,148,136,124,\ldots\)?
C. (40)
हर बार (12) घट रहा है। (11)वाँ पद \(160-10\times12=40\) है। / Each term decreases by (12). The (11)th term is \(160-10\times12=40\).
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If \(a_n=4n^2-3n\), what will be the value of \(a_7\)?
B. (175)
(n=7) रखने पर (a_7=4\(7^2\)-3(7)=175) है। पहले वर्ग निकालें फिर गुणा और घटाव करें। / Putting (n=7), (a_7=4\(7^2\)-3(7)=175). Square first, then multiply and subtract.
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If \(a_n=n^3-2n\), what is \(a_5\)?
C. (115)
(n=5) रखने पर (a_5=53-2(5)=115) है। घन और गुणा दोनों सावधानी से करें। / Putting (n=5), (a_5=53-2(5)=115). Handle the cube and multiplication carefully.
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What is the missing value in \(9,18,27,\Box,45\)?
C. (36)
हर बार (9) जोड़ा जा रहा है। (27+9=36) इसलिए खाली स्थान (36) है। / Each term increases by (9). Since (27+9=36), the missing value is (36).
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Which value fills the blank in \(180,\Box,152,138,124\)?
C. (166)
क्रम में हर बार (14) घट रहा है। (180-14=166) होगा। / The sequence decreases by (14) each time. (180-14=166).
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What is the next term of \(5,12,22,35,51,\ldots\)?
B. (70)
अंतर (7,10,13,16) हैं और वे (3) से बढ़ रहे हैं। अगला अंतर (19) होगा इसलिए (51+19=70)। / The differences are (7,10,13,16), increasing by (3). The next difference is (19), so (51+19=70).
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What will be the next term of \(250,245,235,220,200,\ldots\)?
A. (175)
घटाव (5,10,15,20) हैं। अगला घटाव (25) होगा इसलिए (200-25=175)। / The subtractions are (5,10,15,20). The next subtraction is (25), so (200-25=175).
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What is the (6)th term of \(6,24,96,384,\ldots\)?
D. (6144)
हर पद पिछले पद का (4) गुना है। (5)वाँ पद (1536) और (6)ठा पद (6144) है। / Each term is (4) times the previous term. The (5)th term is (1536) and the (6)th term is (6144).
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What is the next term of \(729,243,81,27,\ldots\)?
C. (9)
हर पद पिछले पद को (3) से भाग देकर मिलता है। \(27\div3=9\) अगला पद है। / Each term is obtained by dividing the previous term by (3). \(27\div3=9\) is the next term.
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