RRB NTPC CBT-1 previous year question
An investment triples in 6 years under compound interest. After how many years will it become 27 times?
Asked in RRB NTPC 2026 — 17 June Shift 1 · Quantitative Aptitude
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Correct answer: (D) 18 years
If the investment triples every 6 years under compound interest, then becoming 27 times (33) means the money triples three times, i.e. it takes 3*6 = 18 years.
हिंदी में प्रश्न
चक्रवृद्धि ब्याज के तहत एक निवेश 6 वर्षों में तीन गुना हो जाता है। कितने वर्षों के बाद यह 27 गुना हो जाएगा?
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (D) 24 वर्षे ॥/““ 9
यदि चक्रवृद्धि ब्याज में निवेश हर 6 वर्ष में तिगुना होता है, तो 27 गुना (33) होने के लिए निवेश तीन बार तिगुना होगा, अर्थात 3*6 = 18 वर्ष लगेंगे।
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