Advance Math Class 10 - Exercise: 1.1

2. Let A and B be two sets and U be their Universal set. If n(U)= 120, n(A)= 42, n(B)= 50 and n(AꓵB)= 21 then find, (i) n (AUB), n(A – B), n(B – A) and n(AˊꓵBˊ) (ii) n(Bˊ), n(Aˊ), n(AꓴB)ˊ (iii) n(PUQ) and n(PꓵQ) where P= A – B and Q= AꓵB (iv) How many elements are there in the set U – (AUB) - Advance Math Class 10- Exercise: 1.1

Let A and B be two sets and U be their Universal set. If n(U)= 120, n(A)= 42, n(B)= 50 and n(AꓵB)= 21 then find,   (i) n (AU…

byAmlesh Mahato •

11. Out of 180 students of a class, 76 of them study Mathematics, 81 of them study Physics and 80 of them study Chemistry. Also, 34 of them study Mathematics and Physics, 30 of them study Mathematics and Chemistry and 33 of them study Physics and Chemistry. If 18 students study all the three subjects then find – (i) the number of students who study only Physics (ii) the number of students who study only Chemistry (iii )the number of students who study only Mathematics. ( v) the number of students who study Physics and Chemistry, but not Mathematics (vi ) the number of students who study chemistry and Mathematics, but not Physics (vii ) the number of students who study none of the three subjects. Advance Math Class 10 - Exercise 1.1:

Out of 180 students of a class, 76 of them study Mathematics, 81 of them study Physics and 80 of them study Chemistry. Also,…

byAmlesh Mahato •

10. In a survey among 1500 families of a town it was found that 1263 families have TV, 639 families have radio and 197 families have neither TV nor Radio. (i) how many families in that town have both radio and TV? (ii) how many families have TV only, but no radio? ( iii) how many families have radio only, but no TV. Advance Math Class 10 - 1.1

In a survey among 1500 families of a town it was found that 1263 families have TV, 639 families have radio and 197 families …

byAmlesh Mahato •

9. In a class of 90 students, 60 students play volleyball, 53 students play badminton and 35 students play both of the games. Find the number of students (i) who do not play any one of the two games (ii) who play badminton only, but not volleyball (iii) who play volleyball only, but not badminton (iv)who play at least one of two games? Advance Math Class 10 - Exercise: 1.1

In a class of 90 students, 60 students play volleyball, 53 students play badminton and 35 students play both of the games. F…

byAmlesh Mahato •

7. In a survey among a group of employees of a central Govt. office in Assam, it was found that 80 of them can speak the Assamese, 70 of them can speak English and 50 of them can speak both Assamese and English. If each of the employees who took part in the survey can speak either Assamese or English or both of the two languages, then find (i) the total number of employees who participated in the survey? (ii) how many of them can speak Assamese only? (iii) how many of them can speak English only? Advance Math Class 10 - Exercise: 1.1

In a survey among a group of employees of a central Govt. office in Assam, it was found that 80 of them can speak the Assame…

byAmlesh Mahato •

5. In a class test in mathematics and English, it was found that 55 students have passed in Mathematics, 46 have passed in English and 35 passed in both the subjects. If the number of students who appeared in the test is 100, the find (i) the percentage of unsuccessful students in both subjects. (ii) the percentage of students who have passed in Mathematics only. (iii) the percentage of students who have passed in English only - Advance Math Class 10 - Exercise: 1.1,

In a class test in mathematics and English, it was found that 55 students have passed in Mathematics, 46 have passed in Engl…

byAmlesh Mahato •
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