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#QuestionSubject and topicDifficulty
801 Simple interest on ₹2,000 at 5% per annum for 3 years is: General Test
Simple and compound interest		 Easy
802 Compound interest on ₹1,000 at 10% per annum for 2 years is: General Test
Simple and compound interest		 Medium
803 At what rate of simple interest will a sum double in 10 years? General Test
Simple and compound interest		 Medium
804 The difference between CI and SI on ₹5,000 at 10% per annum for 2 years is: General Test
Simple and compound interest		 Hard
805 A sum becomes ₹1,200 in 2 years and ₹1,300 in 3 years at simple interest. What is the principal? General Test
Simple and compound interest		 Hard
806 A can finish a job in 10 days and B in 15 days. Working together, they finish it in: General Test
Time and work		 Medium
807 8 workers build a wall in 12 days. How many days will 6 workers take? General Test
Time and work		 Easy
808 A pipe fills a tank in 4 hours and another empties it in 6 hours. With both open, the tank fills in: General Test
Time and work		 Medium
809 A does half as much work as B in the same time. If together they finish a job in 10 days, how long would B al… General Test
Time and work		 Hard
810 A can do a piece of work in 20 days. What fraction of the work does A do in 5 days? General Test
Time and work		 Easy
811 A car travels 180 km in 3 hours. Its speed is: General Test
Time, speed and distance		 Easy
812 54 km/h is equal to: General Test
Time, speed and distance		 Easy
813 A 200 m long train runs at 72 km/h. How long does it take to cross a pole? General Test
Time, speed and distance		 Medium
814 A person goes to a place at 40 km/h and returns at 60 km/h. What is the average speed? General Test
Time, speed and distance		 Medium
815 A boat’s speed in still water is 10 km/h and the stream flows at 2 km/h. Its upstream speed is: General Test
Time, speed and distance		 Easy
816 If 3x + 5 = 20, then x = General Test
Algebra		 Easy
817 If a + b = 7 and ab = 12, then a² + b² = General Test
Algebra		 Medium
818 The sum of two numbers is 30 and their difference is 6. The larger number is: General Test
Algebra		 Easy
819 Simplify: (x + 3)(x − 3) General Test
Algebra		 Easy
820 A father is three times as old as his son. In 10 years he will be twice as old. What is the son’s present age? General Test
Algebra		 Medium