HALOALKANES AND HALOARENES |NCERT Questions | Chemistry | 7 PM by Swati Ma'am | L10 | Doubtnut

(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

The table given below shows the temperatures recorded on a day at different times. Observe the table and answer the following questions. (a) What is the temperature at 8 am? (b) At what time is the temperature 3^(@)C? (c) During which hour did the temperature fall? (d) What is the change in temperature between 7 am and 10 am? (e) During which hour was there a constant temperature?

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