MCQs: Tap P alone fills a cistern in 2 hours; while tap Q alone fills the same cistern in 3 hours. A new tap R is attached to the bottom of the cistern which can empty the completely filled cistern in 6 hours. Sunny started all three taps together at 9am. When will the tank be full?
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MCQs: If Ram and Shyam together can build a house in 10 days; Ram and Arun can build it together in 12 days and Shyam and Arun can build it in 15 days. Shyam, Ram and Arun start working together. In how many days they build the house?
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MCQs: Jammu Express is 1.2 km long and is running along the Kerala express at speed of 80km/hr. Kerala express is 2/3rd the length of Jammu express and runs at 60 km/hr. How much time will it take for Jammu express to overtake the Kerala express?
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MCQs: In a room there are 2 green chairs, 3 yellow chairs and 4 blue chairs. In how many ways can Raj choose 3 chairs so that at least one yellow chair is included?
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MCQs: Average age of 7 family members is 75 years. But average age of 6 of them is 74 years 6 months. What is the age of the 7th family member?
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MCQs: What is the possibility of having 53 Thursdays in a nonleap year?
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MCQs: Guddi invested some money in a bank at rate of 6% per annum. At simple interest, after 9 years, she got Rs. 8470. How much did she invest?
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MCQs: A wooden rectangular plank has dimensions 12m and 6 m. Three circular portions are cut from the plank having diameters 2m, 2m and 1m.How much area of the plank remains?
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MCQs: In a drawer there are 5 black socks and 3 green socks. Two socks are picked randomly one after the other without replacement. What is the possibility that both the socks are black?
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MCQs: In a drawer there are 4 white socks, 3 blue socks and 5 grey socks. Two socks are picked randomly. What is the possibility that both the socks are of same color?
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MCQs: A can complete a work in 12 days and B can complete in 8 days. A works for 8 hours every day while B works for 10 hours every day. If A and B together start working 8 hours per day, in how many days will they complete the work?
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MCQs: Ramesh and Suresh start a hotel. Ramesh invested Rs. 6000 and Suresh invested Rs. 5000. Ramesh’s investment was for 4 months and Suresh’s was for 8 months. If total profit was Rs. 6000, how much more profit than Ramesh did Suresh get?
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MCQs: The price of apple is first increased by 10% and then decreased by 10%. What is the change in the price of apple?
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MCQs: The population of a city is 50,000 at present. It increases at the rate of 10% per annum. What will be its population 3 yr from now?
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MCQs: Income ratio of Ramesh and Suresh is 5:6. Their spending ratio is 7:9. Ramesh saves 4000 and Suresh saves 3000. Income and spending respectively of Ramesh and Suresh are
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MCQs: In 40 years an amount becomes 6 times the original amount. What is the rate of interest?
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MCQs: How much money invested at compound interest will yield Rs. 6350.40 at the end of 3 years? For the first year the rate of interest is 5%; for second year it increases to 12% and for third year it decreases to 8%.
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MCQs: Amit gave his friend Rs. 11000. This was to be repaid in 2 yearly installments with a rate of interest of 20% compounded annually. How much would be the value of each installment?
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MCQs: Surendra covers a distance by cycle at 18 km/h. He returns to the starting point in a bus at a speed of 45 km/h. Find the average speed for the entire journey.
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MCQs: Ram and Shyam’s average age is 65 years. The average age of Ram, Shyam and John is 53 years. What is the age of John?
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