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Total students = 1000 Let, students appear in exam Z only = a Total students appeared in exam Y = 360 Ratio of number of students appeared in exam X and Y only to students appeared in exam Y and Z only = 2:3 Students appeared in exam X and Z both = a/2 Number of students appeared in all three exams = (4/100) × 1000 = 40 Number of students appeared in Y exam only = No. of students appeared in Y and Z only = 3x Number of students appeared in exam X and Y only = (2/3) × 3x = 2x Now, 2x + 3x + 3x + 40 = 360 ⇒ x = 40 And, 12.5x + a + a/2 + a = 1000 => 5a/2 = 500 ⇒ a = 200 Students appeared in exam X or in exam Z = 180 + 60 + 40 + 80 + 200 + 120 = 680
Which of the following pair live on Floor-4?
Who belongs to Haryana?
Seven students, L, M, N, O, P, Q and R, attend classes of seven activities on different days of the week starting from Monday. R attends Painting class ...
How many persons go between T and R?
What is the relation in between third oldest person of the family and Y’s mother-in-law and who is third oldest person of the family?
Which function is held in the same day as Mehendi Ceremony?
How many persons live below F (in the same type of flat)?
What is the designation of RAMAN?
Who among the following person was born in the same month along with the one who teaches Hindi?
P is going to office on which of the following day?