What's orange and sounds like a parrot?
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In a group of 70 people, 37 like coffee, 52 like tea, and each person likes at least one of the two drinks. How many people like both coffee and tea?
Let C denote the set of people who like coffee, and T denote the set of people who like tea n(C ∪ T) = 70, n(C) = 37, n(T) = 52 We...
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In a group of 65 people, 40 like cricket, 10 like both cricket and tennis. How many like tennis only and not cricket? How many like tennis?
Let C denote the set of people who like cricket, and T denote the set of people who like tennis ∴ n(C ∪ T) = 65, n(C) = 40, n(C ∩...
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Explain heart sounds.
Heart sounds are noises generated by the closing and opening of the heart valves. In a healthy individual, there are two normal heart sounds called lub and dub. Lub is...
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What are infrasonic and ultrasonic sounds?
Infrasonic sound has frequency less than 20 Hz and ultrasonic sound has frequency higher than 20 kHz.
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In a group of 70 people, 37 like coffee, 52 like tea, and each person likes at least one of the two drinks. How many people like both coffee and tea
Let C denote the set of people who like coffee, and T denote the set of people who like tea n(C ∪ T) = 70, n(C) = 37, n(T) = 52...
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In a group of 65 people, 40 like cricket, 10 like both cricket and tennis. How many like tennis only and not cricket? How many like tennis
Let C denote the set of people who like cricket, and T denote the set of people who like tennis ∴ n(C ∪ T) = 65, n(C) = 40, n(C ∩...
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A student dips pH papers in solutions A and B and observes that the pH paper turns blue and orange respectively
He infers that A is sodium carbonate solution and B is acetic acid. The pH paper turns blue when dipped in solution A, it means A is a strong base...
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A student dips pH papers in solutions A and B and observes that the pH paper turns blue and orange respectively in them. What does he infer?
He infers that A is sodium carbonate solution and B is acetic acid. The pH paper turns blue when dipped in solution A, it means A is a strong base...
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Just like birds and dolphins you can also make your own language of sounds for giving messages.
Hint: You and your friends can produce some sounds like beep-beep or trin-trin for a specific purpose like when the teacher in coming to the classroom. All the other will...
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Why don’t you make sounds that describe some tastes? From your expressions and sounds ask your friends to guess what you might think have eaten.
Sounds Food Yum-yum The sound made by Linking something Any sweet, ice-cream, etc. pickle, tamarind, etc.
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