Mathematics & Logic
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601
A bag contains 5 red balls and 3 green balls. What is the probability of picking a red ball?
Easy
Mathematics & Logic
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602
The average weight of 8 men is increased by 2.5 kg when a new man replaces one of them weighing 65 kg. What is the weight of the new man?
Medium
Mathematics & Logic
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603
In a 500m race, A beats B by 50m. What is the ratio of their speeds?
Medium
Mathematics & Logic
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604
A person travels from A to B at 20 km/h and returns from B to A at 30 km/h. What is his average speed for the entire journey?
Medium
Mathematics & Logic
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605
In a certain code, 'ORANGE' is written as 'PSBOHF'. How is 'APPLE' written in that code?
Easy
Mathematics & Logic
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606
The average of 5 consecutive odd numbers is 25. What is the smallest of these numbers?
Medium
Mathematics & Logic
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607
A cistern has two taps which fill it in 12 and 15 minutes respectively. There is also a waste pipe. When all three are opened, the cistern is filled in 20 minutes. How long will the waste pipe take to empty it?
Hard
Mathematics & Logic
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608
A, B, and C can complete a piece of work in 12, 15, and 20 days respectively. How many days will they take to finish the work together?
Medium
Mathematics & Logic
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609
The ratio of the speed of a car, a train and a bus is 5 : 9 : 4. The average speed of the car, the bus and the train is 72 km/h. What is the average speed of the car and the train together?
Hard
Mathematics & Logic
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610
A train 150m long is running at a speed of 60 km/h. How much time will it take to cross a platform 250m long?
Medium
Mathematics & Logic
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611
A sum of ₹12,500 is invested at 20% compound interest per annum, compounded half-yearly. What will be the amount after 1 year?
Hard
Mathematics & Logic
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612
A 100-meter long train passes a bridge 150 meters long in 25 seconds. What is the speed of the train in km/h?
Medium
Mathematics & Logic
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613
A person covers a distance in 40 minutes if he drives at a speed of 45 km/h. At what speed must he drive to cover the same distance in 30 minutes?
Medium
Mathematics & Logic
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614
A sum of ₹800 amounts to ₹920 in 3 years at simple interest. If the interest rate is increased by 3%, what would the amount become?
Medium
Mathematics & Logic
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615
If '+' means '×', '×' means '÷', '÷' means '-' and '-' means '+', what is the value of: 20 + 5 × 10 ÷ 2 - 8?
Medium
Mathematics & Logic
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