HALOALKANES AND HALOARENES | NCERT Questions | Chemistry | 7 PM by Swati Ma'am |L5| Doubtnut

Questions based on L5-L7

(Questions 10-14): Study the following pie-chart and the table given below it carefully to answer the questions given below: Percentage-wise distribution of lecturers in 6 different subjects in a university total number of lecturers: 1600 (FIGURE) Ratio of male to female lecturers Lecturers Males : Females Mathematics 3 : 4 Education 5 : 3 Hindi 1 : 3 Chemistry 1 : 7 Physics 9 : 5 Zoology 7 : 9 Total number of lecturers (both male and female) in Hindi is approximately what per cent of the total number of female lecturers in Mathematics and Chemistry together? (a) 58 (b) 43 (c) 47 (d) 51 (e) 50

Haloalkanes Haloarenes - Chemical Reactions|Nucleophilic Substitution Reactions|Summary Of Nucleophilic Substitution Reactions|NCERT Questions|Nucleophilic Substitution Reactions In Haloarenes|Question|OMR|Summary

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

This question is based on the following alphabet series. A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Which letter is in the middle of 7th from the left and 7th letter from the right? 1) M 2) N 3) L 4) O 5) None of these