Mathematics & Logic
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766
A boat can travel with a speed of 13 km/hr in still water. If the speed of the stream is 4 km/hr, find the time taken by the boat to go 68 km downstream.
Medium
Mathematics & Logic
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767
The ratio of the number of boys and girls in a school is 4:3. If there are 480 boys, find the number of girls.
Easy
Mathematics & Logic
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768
The sum of the squares of two consecutive natural numbers is 313. What is the smaller number?
Hard
Mathematics & Logic
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769
The sum of two numbers is 25 and their difference is 13. Find the larger number.
Easy
Mathematics & Logic
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770
A shopkeeper offers a discount of 10% on the marked price of ₹1500. What is the selling price?
Easy
Mathematics & Logic
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771
In a competitive exam, 70% of the candidates passed in English and 80% passed in Mathematics. If 10% failed in both subjects, what is the pass percentage in both subjects?
Hard
Mathematics & Logic
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772
If the ratio of the ages of A and B is 3:5 and the sum of their ages is 64 years, what is the age of B?
Easy
Mathematics & Logic
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773
A person buys a watch for ₹900 and sells it for ₹1080. Find the profit percentage.
Easy
Mathematics & Logic
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774
A sum of ₹2500 is lent at a simple interest rate of 8% per annum. What will be the total amount after 3 years?
Medium
Mathematics & Logic
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775
A sum of ₹1200 becomes ₹1344 in 2 years at a certain rate of simple interest. What is the rate of interest per annum?
Medium
Mathematics & Logic
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776
What is the decimal equivalent of the binary number 1011?
Medium
Computer, Mathematics & Logic
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777
In a class of 60 students, 40% are girls. How many boys are there in the class?
Easy
Mathematics & Logic
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778
Find the next number in the series: 2, 6, 12, 20, 30, ?
Easy
Mathematics & Logic
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779
In a certain code, 'APPLE' is written as 'BQQMF'. How is 'MANGO' written in that code?
Easy
Mathematics & Logic
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780
A boat goes 8 km downstream in 40 minutes and 6 km upstream in 40 minutes. What is the speed of the boat in still water?
Hard
Mathematics & Logic
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