Number of users for a computer is
a) One
b) Five
c) Two
d) more than one
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In a senior secondary school,80 students play football or hockey.The number that play football is 5 more than twice the number that play hockey.If 15 students play both games and every student in the school plays at least one game,find (i)the number of students that play football (ii)the number of students that play football but not hockey (iii)the number of students that play hockey but not football.
I thought F or H = 80 is giving by n(F u H) = n(F) + n(H) - n(F n H)
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Which of the following is not true ? A) Every natural number is a whole number , C) Every rational number is an integer
C) Every rational number is an integer
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4/5 times of a number is 4 greater than 3/4 times of the same number. Then the number is
Correct option is D) 80
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4/5 times of a number is 4 greater than 3/4 times of the same number. Then the number is
2 Answers
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Krishna Kishore took one number. If he subtracts 7 from the 5/2th value of the number, he gets 11/2 as result then the number is ………………….
Correct option is (C) 5 Let the number be x. \(\therefore\) \(\frac52x-7=\frac{11}2\) \(\Rightarrow\) \(\frac52x=\frac{11}2+7=\frac{11+14}2=\frac{25}2\) \(\Rightarrow\) \(x=\frac{25}2\times\frac25=5.\)
2 Answers 1 views
states and explain 10 uses of computer in your field of study as a student
Convenience With the use of computers, a student’s life has been made very convenient. By just using this device, students can write and research their school works online and communicate with...
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Kishore told “Every number is a square number”. Krishna told “Every number is a pure number”. In the above two statements who is correct ?
D) Both are false
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Match the following : 1. First generation Computer 2. Second generation computer 3. Third generation computer
1. c 2. d 3. b 4. e 5. a
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Which refers to the number of bits processed by a computer’s CPU?
(c) Word length
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