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Byju's Answer

Standard IX

Mathematics

Mathematical Statements

Help I very w...

Question

Help I very weak in mathematics specialy in number and also numeral problem in physics van I have a advice from you.???

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Solution

yes,pls feel free to ask

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Q. How to increase possibly to solve any mathematical equation or numerical problem.? I can solve if any mathematical numerical problem came whether it's maths or physic. Can I have some tips please ?

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I wonder if you can help me. I have ____ problem.

Q. From

50

students taking examinations in Mathematics, Physics and Chemistry,

37

passed in Mathematics,

24

in Physics and

43

in Chemistry. Atmost

19

passed in Mathematics and Physics, atmost

29

passed in Mathematics and Chemistry and atmost

20

passed in Physics and Chemistry. The largest possible number that could have passed all three examination, is?

Q. In a survey of

55

students, it was found that

25

had taken Mathematics

22

had taken Physics and

21

had taken Chemistry,

12

had taken Mathematics and Physics,

10

had taken Mathematics and Chemistry and

8

had taken Physics and Chemistry if

12

students had taken none of the three subjects to find the number of students, who had taken all the three subjects. Also, find the number of those who have taken
(i)

only Mathematics
(ii)

only Physics
(iii) only Chemistry.

In a survey of 25 students, it was found that 12 have taken physics, 11 have taken chemistry and 15 have taken mathematics; 4 have taken physics and chemistry; 9 have taken physics and mathematics; 5 have taken chemistry and mathematics while 3 have taken all the three subjects.
Find the number of students who have taken

(i) physics only;
(ii) chemistry only;
(iii) mathematics only;
(iv) physics and chemistry but not mathematics;
(v) physics and mathematics but not chemistry;
(vi) only one of the subjects;
(vii) at least one of the three subjects;
(viii) none of the three subjects.

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