IB ACIO Grade II practice question
The first term of an arithmetic progression (AP) is 11 and the common difference is 6. Find its 25th term.
From a IB ACIO Grade II Quantitative Aptitude practice set · Quantitative Aptitude
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Correct answer: (C) 155
Using the nth term formula, Tn = a + (n-1)d = 11 + 24×6 = 11 + 144 = 155.
हिंदी में प्रश्न
एक समांतर श्रेढ़ी (AP) का प्रथम पद 11 है और सार्व अंतर 6 है। इसका 25वाँ पद ज्ञात करें।
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (C) 155
nवें पद के सूत्र से, Tn = a + (n-1)d = 11 + 24×6 = 11 + 144 = 155।
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