Related Questions

The number of persons who read magazine X only is thrice the number of persons who read magazine Y. The number of persons who read magazine Y only is thrice the number of persons who read magazine X. Then, which of the following conclusions can be drawn? i. The number of persons who read both the magazines is twice the number of persons who read only magazine X. ii. The total number of persons who read either one magazine or both the magazines is twice the number of persons who read both the magazines. Select the correct answer using the code given below:
Read the given information and answer the question asked by choosing the most appropriate option. In a group, 17 persons likes Veg Biryani, 27 persons likes Chicken Biryani and 19 persons likes Saahi Paneer. Among them, 6 persons likes both Saahi Paneer and Veg Biryani, 3 persons likes both Chicken Biryani and Veg Biryani, 3 persons likes both Saahi Paneer and Chicken Biryani and 4 persons likes all the three food items. How many persons likes only one food item?
Read the given information and answer the question asked by choosing the most appropriate option. In a group, 54 persons likes Physics, 47 persons likes Mathematics and 71 persons likes Chemistry. Among them, 12 persons likes only Physics and Chemistry, 23 persons likes only Mathematics and Chemistry, 11 persons likes only Physics and Mathematics and 10 persons likes all the three subjects. How many persons likes one subject only?
In a picnic of elderly persons, 25 persons take tea, 20 persons take coffee and 15 persons take milk. Ten persons take both tea and coffee and 8 persons take both milk and coffee. None of them takes tea and milk both and everyone takes at least one of the three beverages. How many persons went to the picnic ?
Study the accompanying Venn diagram that represents groups of persons speaking five different languages as follows. Oblong circle = Marathi ; Rectangle = Kannada, Circle = English, Triangle = Gujarati, Equilateral quadrangle = Hindi Using above information select the false statement/s from following list. (a) Area c represent persons speaking 5 languages but area d represents persons speaking 4 languages only. (b) Areas b and d represent persons speaking same number of languages. (c) Areas f, b and e represent persons speaking same languages. (d) Areas g and h represent persons who speak two languages only. 
Study information given and select valid conclusion/s from the given statements based on it. In a joint family the number of members who take only coffee is equal to the half the number of members who take tea and the number of persons who take only tea is equal to the half the number of persons who take coffee. Statements: a. The total number of persons who take either coffee or tea or both is thrice the number of persons who take only coffee or only tea. b. The total number of persons who take only coffee and those who take only tea is twice the number of persons who take both coffee and tea.
There are 21 persons and there are three languages - French German and Japanese. 10 persons speak German, 12 persons speak Japanese, and 10 persons speak French. 4 can speak only French and 5 can speak only Japanese. 4 can speak French as well as German. 3 persons can speak all languages. How many persons speak Japanese and German?
The average weight of 30 persons of group A is 3 kg more than the average weight of 25 persons of group B. The average weight of 25 persons of group B is 2.5 kg more than the average weight of 20 persons of group C. If the total weight of 30 persons of group A is 1725 kg, then what will be the average weight of the persons of group A and group C taken together (in kg)?
Three persons A, B and C are standing in a queue. There are five persons between A and B and eight persons between B and C. If there be three persons ahead of C and 21 persons behind A, what could be the minimum number of persons in the queue?
25 persons participated in a survey. The mean of the age of first 8 persons is 15 years. The mean of the age of next 7 persons is 31 years. The remaining persons have mean of the age of 43 years. What is the mean age of all the persons who participated in the survey?