Related Questions

There are six teachers. Out of them two are primary teachers and two are secondary teachers. They are to stand in a row, so as the primary teachers, middle teachers and secondary teachers are always in a set . The number of ways in which they can do so, is-
A 52
B 48
C 34
D None of these
The present ratio of students to teachers at a certain school is 30 to 1. If the number of students were to increase by 50 and that of teachers were to increase by 5, the ratio of students to teachers would then be 25 to 1. What is the present number of teachers?
A 8
B 10
C 12
D 15
The present ratio of students to teachers at a certain school is 30 to 1. If the student enrollment were to increase by 50 students and the number of teachers were to increase by 5, the ratio of students to teachers would then be 25 to 1. What is the present number of teachers?
A 8
B 10
C 12
D 15
The present ratio of students to teachers at a certain school is 30 to 1. If the student enrollment were to increase by 50 students and the number of teachers were to increase by 5, the ratio of students to teachers would then be 25 to 1. What is the present number of teachers ?
A 5
B 8
C 10
D 12
A. Anteaters like ants B. boys are anteater C. Baby is an anteater D.Baby likes ants E. Baby may eat ants
A ACD
B ADC
C ABE
D DCA
Each question consists of five statements following by options consisting of three statements put together in a specific order. Choose the option which indicates a valid argument, that is, where the third statement is a conclusion drawn from the preceding two statements. A.Anteaters like ants.B.boys are anteaters .C.baby is an anteater.D.Baby likes ants.E.Baby may eat ants.
A ACD
B ADC
C ABE
D DCA
A,B,C,D,E,G and I are seven friends who study in three different standards namely 5th, 6th and 7th such that not less than two friends study in the same standard. Each friend also has a different favorite subject namely History, Civics, English, Bangla, Science , Maths , and Economics but not necessarily in the same order. A likes Maths and studies in the 5th standard with only one other friend who likes Bangla. I studies with tow other friends . Both the friends who study with I like languages (Here languages include only Science , English and Bangla ) . D studies in the 6th standard with only one person and does not like Civics . E studies with only one friend . The one who likes history does not study in 5th or 6th standard . E does not like languages. C does not like English , Science or Civics. Which combination represents E's favorite subject and the standard in which he studies?
A Civics and 7th
B Economics and 5th
C Civics and 6th
D History and 7th
Ten books are arranged in a row following a certain sequence. Among them 3 are History , 3 are Economics, 2 are Maths and 2 are English. From the left, there is an English book between a History and Maths book, a history book between a Maths and an English book, an Economics book between an English and a Maths Book. a Maths book between two Economics books and two Economics two Economics book between a Maths and a History book. Book of which subject is at the sixth position from the left?
A English
B Economics
C History
D Mathematics
Ten bools are arranged in a row following a certain sequence.Among them 3 History,3 are Economics, 2 are Math's and are English.From the left,There is English book between a History and Math's book, a History book between a Math's and an English book, an Economics book between an English and a Math's Book Math's book between two Economics books and two Economics book between Math's and a History book.Book of which subject is at the sixth position from the left?
A Economics
B English
C History
D Mathematics
Two-thirds of the teachers of high school are women, twelve of the male teachers are unmarried while 3/5 of the male teachers are there in the school?
A 30
B 90
C 60
D 72

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