Ci And Train
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COMPOUND INTEREST 1) The difference between the compound interest and the simple interest earned at the end of 3rd year on a sum of money at a rate of 10% per annum is Rs. 77.5. What is the sum? a) Rs. 2500 b) Rs.3000 c) Rs.3500 d) Rs.2000 2) What will be the compound interest on Rs. 5000 at 2% per annum for 2 years, compounded annually? a) 302 b) 202 c) 215 d) None 3) What will be the compound interest on Rs. 2500 at 16% per annum for 2 years compounded annually? a)956 b) 856 c) 998 d) None 4) What will be the compound interest on Rs. 3600 at 4% per annum for 2 years compounded annually? a) 366 b) 400 c) 380 d) 371 5) What will be the compound interest on Rs. 4400 at 16% per annum for 9 months, compounded quarterly? a) 550 b) 500 c) 450 d) None 6) Find out the compound interest on the same sum for the same period at the same rate, if the simple interest on a sum of money at 4% p.a. for 3 years is Rs. 600. a) 600 b) 625 c) 650 d) None 7) Find out in what time, will Rs. 1000 become Rs. 1331 at 10% p.a. compounded annually. a) 1 b) 2 c) 3 d) 4 8) Find out in what time, will Rs. 125 become Rs. 216 at 20% p.a. compounded annually. a) 1 b) 2 c) 4 d) 3 9) Find the sum, if the difference between the compound interest and simple interest on a certain sum at 10 % p.a. for 3 years is Rs. 186. a) 6000 b) 7000 c) 8000 d) 9000 10) Find the sum, if the difference between the compound interest and simple interest on a certain sum at 50 % p.a. for 4 years is Rs. 2344. a) 640 b) 680 c) 720 d) 760 11) Find out the principal that amounts to Rs. 5500 in 4 years at 20% p.a. compound interest compounded annually. a) 2652 b) 2785 c) 2856 d) 2896 12) Find out the present worth of Rs. 550 due in 2 years at 2% p.a. compound interest. a) 586 b) 572 c) 592 d) None 13) Find out the present worth of Rs. 1331 due in 3 years at 10% p.a. compound interest. a) 500 b) 800 c) 1000 d) 1500
PROBLEMS ON TRAINS 1. A train 100 m long is running at a speed of 30 kmph. Find the time taken by it to pass a man standing near the railway line a) 12 sec b) 13 sec c) 14 sec d) 15 sec 2. Two trains 100 m and 120m long are running in the same direction with speeds of 72 kmph and 54 kmph. In how much time will the first train cross the second? a) 40 sec b) 44 sec c) 72 sec d) 30 sec 3. How long does a train 110 m long running at a speed of 72 kmph take to cross a bridge 132 m in length? a) 9.8 sec b) 12.1 sec c) 12.42 sec d) 14.3 sec 4. A train speeds past a pole in 15 seconds and a platform 100 m log in 25 seconds. Its length is a) 50 m b) 150 m c) 200m d) data inadequate 5. A train passes a station platform in 36 seconds and a man standing on the plat form in 20 seconds. If the speed of the train is 54 kmph, what is the length of the platform? a) 120m b) 240m c) 300 m d) None of these 6. Two trains are running in opposite directions with the same speed. If the length of each train is 120 m and they cross each other in 12 seconds, then the speed of each train is a) 10 b) 18 c) 36 d) 72 7 A 270 m long train running at the speed of 120 kmph crosses another train running in opposite direction at the speed of 80 kmph in 9 seconds. What is the length of the other train? a) 230 m b) 240 m c) 260 m d) 320 m 8 A 300 m long train crosses a platform in 39 seconds while it crosses a signal pole in 18 seconds. What is the length of the platform? a) 320 m b) 350 m c) 650 m d) None of these 9 A train crosses a platform 100 m long in 60 seconds at a speed of 45 kmph. The time taken by the train to cross an electric pole is a)8 sec b) 52 sec c)1 minute d) data inadequate 10 Two trains of equal length are running on parallel lines in the same direction at 46 kmph and 36 kmph respectively. Te faster train passes the slower train in 36 sec. The length of each train is a) 50m b) 72 c) 80 d) 82 11. A goods train runs at a speed of 72 kmph and crosses a 250 m long platform in 26 seconds. What is the length of the goods train? a) 230 m b) 240 m c) 260 m d) 270 m 12. Two trains are moving in opposite direction at 60 kmph and 90 kmph. Their lengths are 1.10 km and 0.9 km respectively. The time taken by the slower train to cross the faster train in seconds is a) 36 b) 45 c) 48 d) 49
PROBLEMS ON TRAINS 1. A train 100 m long is running at a speed of 30 kmph. Find the time taken by it to pass a man standing near the railway line a) 12 sec b) 13 sec c) 14 sec d) 15 sec 2. Two trains 100 m and 120m long are running in the same direction with speeds of 72 kmph and 54 kmph. In how much time will the first train cross the second? a) 40 sec b) 44 sec c) 72 sec d) 30 sec 3. How long does a train 110 m long running at a speed of 72 kmph take to cross a bridge 132 m in length? a) 9.8 sec b) 12.1 sec c) 12.42 sec d) 14.3 sec 4. A train speeds past a pole in 15 seconds and a platform 100 m log in 25 seconds. Its length is a) 50 m b) 150 m c) 200m d) data inadequate 5. A train passes a station platform in 36 seconds and a man standing on the plat form in 20 seconds. If the speed of the train is 54 kmph, what is the length of the platform? a) 120m b) 240m c) 300 m d) None of these 6. Two trains are running in opposite directions with the same speed. If the length of each train is 120 m and they cross each other in 12 seconds, then the speed of each train is a) 10 b) 18 c) 36 d) 72 7 A 270 m long train running at the speed of 120 kmph crosses another train running in opposite direction at the speed of 80 kmph in 9 seconds. What is the length of the other train? a) 230 m b) 240 m c) 260 m d) 320 m 8 A 300 m long train crosses a platform in 39 seconds while it crosses a signal pole in 18 seconds. What is the length of the platform? a) 320 m b) 350 m c) 650 m d) None of these 9 A train crosses a platform 100 m long in 60 seconds at a speed of 45 kmph. The time taken by the train to cross an electric pole is a)8 sec b) 52 sec c)1 minute d) data inadequate 10 Two trains of equal length are running on parallel lines in the same direction at 46 kmph and 36 kmph respectively. Te faster train passes the slower train in 36 sec. The length of each train is a) 50m b) 72 c) 80 d) 82 11. A goods train runs at a speed of 72 kmph and crosses a 250 m long platform in 26 seconds. What is the length of the goods train? a) 230 m b) 240 m c) 260 m d) 270 m 12. Two trains are moving in opposite direction at 60 kmph and 90 kmph. Their lengths are 1.10 km and 0.9 km respectively. The time taken by the slower train to cross the faster train in seconds is a) 36 b) 45 c) 48 d) 49
