Mathematics & Logic
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571
Find the simple interest on ₹5000 at 5% per annum for 3 years.
Easy
Mathematics & Logic
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572
In a code, 'RED' is 27, then what is 'BLUE'?
Medium
Mathematics & Logic
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573
A sum of money doubles itself in 8 years at simple interest. In how many years will it become four times itself at the same rate?
Medium
Mathematics & Logic
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574
The ratio of the ages of two persons is 4:7 and the age of one of them is greater than that of the other by 30 years. The sum of their ages is:
Easy
Mathematics & Logic
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575
A train 150m long is running at a speed of 60 km/h. How much time will it take to cross a pole?
Medium
Mathematics & Logic
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576
If 12 items cost ₹180, what will be the cost of 25 such items?
Easy
Mathematics & Logic
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577
In a 500m race, the ratio of the speeds of two contestants A and B is 3:4. A has a start of 140m. Then, A wins by:
Hard
Mathematics & Logic
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578
A sum of money at compound interest amounts to thrice itself in 3 years. In how many years will it be 9 times itself?
Medium
Mathematics & Logic
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579
What is the sum of all internal angles of a hexagon?
Easy
Mathematics & Logic
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580
A, B and C can do a piece of work in 20, 30 and 60 days respectively. In how many days can A do the work if he is assisted by B and C on every third day?
Hard
Mathematics & Logic
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581
If 40% of a number is equal to two-third of another number, what is the ratio of the first number to the second number?
Medium
Mathematics & Logic
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582
A dealer marks his goods 20% above cost price and allows a 10% discount. What is his profit percentage?
Medium
Mathematics & Logic
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583
In a class of 60 students, the ratio of boys to girls is 3:2. How many more girls are needed to make the ratio 1:1?
Medium
Mathematics & Logic
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584
The age of a father is 3 times that of his son. 5 years ago, the father was 4 times as old as his son. Find the current age of the father.
Medium
Mathematics & Logic
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585
A train passes a station platform in 36 seconds and a man standing on the platform in 20 seconds. If the speed of the train is 54 km/h, what is the length of the platform?
Hard
Mathematics & Logic
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