Let the principal be P = ₹20,000, Total amount A = ₹30,000, Interest = A - P = ₹30,000 - ₹20,000 = ₹10,000. Using the formula for simple interest: Interest = P × r × t / 100. 10,000 = 20,000 × 10 × t / 100, t = (10,000 × 100) / (20,000 × 10) = 5 years. Answer: a) 5 years.
21 24 22 25 23 ?
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...The question below is based on the given series I. The series I satisfy a certain pattern, follow the same pattern in series II and answer the questions...
135, 148, ?, 184, 207, 236
257, 399, 566, ?, 983, 1237
71, 94, 123, 154, 191, ?
72, 216, 54, 270, ?, 315
14, 20, ?, 50, 74, 104