Mathematics & Logic
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556
In a group of 15 people, 7 read French, 8 read English, while 3 of them read none of these. How many people read both French and English?
Medium
Mathematics & Logic
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557
The ratio of two numbers is 3:4 and their L.C.M. is 180. The first number is:
Medium
Mathematics & Logic
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558
If A's height is 25% less than B's height, by how much percent is B's height more than A's height?
Medium
Mathematics & Logic
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559
A sum of ₹7,500 amounts to ₹8,400 in 2 years at simple interest. What is the rate of interest per annum?
Medium
Mathematics & Logic
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560
If 15 men can complete a work in 20 days, how many men are required to complete the same work in 12 days?
Medium
Mathematics & Logic
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561
The sum of ages of 5 children born at intervals of 3 years each is 50 years. What is the age of the youngest child?
Medium
Mathematics & Logic
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562
If a rectangle's length is increased by 20% and its breadth is decreased by 10%, what is the net effect on its area?
Medium
Mathematics & Logic
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563
If 40% of a number is equal to two-third of another number, what is the ratio of first number to the second number?
Medium
Mathematics & Logic
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564
If the ratio of the cost price and the selling price of an article is 4:5, then the profit percentage is:
Medium
Mathematics & Logic
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565
An error of 2% in excess is made while measuring the side of a square. What is the percentage error in the calculated area?
Medium
Mathematics & Logic
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566
A sum of ₹12,500 amounts to ₹15,500 in 4 years at simple interest. What is the rate of interest?
Medium
Mathematics & Logic
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567
A bag contains 5 red, 4 blue, and 3 green balls. If two balls are drawn at random, what is the probability that both are red?
Hard
Mathematics & Logic
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568
In a certain code, 'COMPUTER' is written as 'RFUVQNPC'. How is 'MEDICINE' written in that code?
Hard
Mathematics & Logic
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569
Find the average of all odd numbers between 1 and 20.
Easy
Mathematics & Logic
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570
In how many ways can the letters of the word 'APPLE' be arranged?
Medium
Mathematics & Logic
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