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1. A sum of money invested at compound interest of 8% p.a. compounded annually, amounts to ₹7290 in two years. Find the sum invested. Solution:We know the formula: Amount = P…

1. Find the compound interest on ₹20,000 at 15% per annum for 3 years. Solution:P = ₹20,000, R = 15%, T = 3 yearsA = P (1 + R/100)^T= 20000…

1. What will a loan of ₹15,000 amount to in 3 years if compounded annually at the rate of 10% p.a? Solution: compound interest: Amount = P (1 + R/100)^TWhere:P =…

1. Fill in the blanks. (a) Just as man is able to think, he is also  able to understand and manage his emotions.(b) We must always think about the good qualities in…

Answer the following questions. (a)What is meant by migration? Answer: Migration is the seasonal movement of animals from one region to another for breeding, finding food, or better climate. (b)…

Comprehension Why did Professor Branestawm not usually celebrate Christmas? What was his reason to throw a party that year? Answer:Professor Branestawm did not usually celebrate Christmas because he found it…

1. Tick (✔) the correct option: (a) Wind vane is used to find out(i) Pressure(ii) Temperature(iii) Direction ✔(iv) Speed (b) The unit of pressure is(i) Cm(ii) Mb (Millibar) ✔(iii) Degree…

Choose the correct option. 3. What does the following road sign indicate?A. Speed breaker aheadB. Mountains aheadC. Lake aheadD. Narrow bridge aheadAnswer: A. Speed breaker ahead 4. Which of the…

Describe the problems faced by the Weimar Republic. Answer. The Weimar Republic was the new German government formed after World War I. It faced numerous serious problems: 1. Unfair Peace…

A. Choose the correct option. A mirror that always produces a virtual, upright image of the same size as the object is a spherical mirrora. convex mirrorb. convex mirrorc. plane…