20 teachers of a school either teach m...

20 teachers of a school either teach mathematics or physics 12 of them mathematics white 4 teach both the subjects . The number of teachers teching physics only ,is

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20 teachers of a school either teach mathematics or physics 12 of them mathematics while 4 teach both the subjects . The number of teachers teaching physics only ,is

In a school there are 30 teachers who teach Mathematics or Physics. Of these teachers, 20 teach. Mathematics and 15 teach Physics, 5 teach both Mathematics and Physics. The number of teaches teaching only Mathematics is:

In a school there are 20 teachers who teach mathematics or physics.Of these,12 teach mathematics and 4 teach both physics and mathematics.How many teach physics?

There are 12 teachers in a school who can teach Maths or Physics. Out of these, 6 teach Maths and 4 teach Physics and Maths both. Find how many teachers teach Physics ?

There are 11 teachers who teach Mathematics or Physics in a school, Of these, 7 teach Mathematics and 3 teach both Mathematics and Physics. How many teach Physics?

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; (iui) 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; (vii) none of the three subjects.

What is the respective ratio of the number of teachers who teach Mathematics and the number of teach- ers who teach Hindi? ?

In a class of a certain school, 50 stduents offered mathematics , 42 offered biology and 24 offered both the subjets. Find the number of students offfereing. (i) mathematics only, (ii) biology only, (iii) any of the two subjects.

Read the following information carefully to answer the questions that follow. In a survey of 25 students, it was found that 15 have taken Mathematics. 12 have taken Physics and 11 taken Chemistry, 5 have taken Mathematics and Chemistry, 9 have taken Mathematics and Physics, 4 have taken Physics and Chemistry and 3 have taken all the three subjects. The number of students who have taken only two subjects, is (a)7 (b)8 (c)9 (d)10

DISHA PUBLICATION-CHAPTERWISE NUMERIC INTEGER ANSWER QUESTIONS-CHAPTER 27

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