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In an exam, the avarage marks obtained by John in English, Maths, Hindi and Drawing were 50. His average marks in Maths, Science, Social Studies andCraft were 70. If the average marks in all seven subjects is 58, his score in maths was
A
50
B
52
C
60
D
74
Correct Answer:
74
In an exam, the average marks obtained by Jhon in English, Math, Hindi and Drawing were 50. His average mark in Maths, Science, Social Studies and Craft were 70. If the average mark in all seven subjects is 58, his score in Maths was -
A
50
B
52
C
60
D
74
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
Read the data given below and answer the questions based on it. In the CBSE Board exams last year, 53% passed in Biology, 61% percent passed in English, 60% in Social studies, 24% in Biology and English, 35% in English and social studies, 27% in Biology and social studies and 5% in none. What is the ratio of percentage of students who passed in Biology and Social Studies but not English in relation to the percentage of students who passed in Social Studies and English but not Biology?
A
5:7
B
7:5
C
4:5
D
5:4
In each of these questions, a question is given followed by information in three statements. You have to find out the data in which statement(s) is sufficient to answer the question and mark your answer accordingly. What are the marks scored by Abhijit in English? I. Marks scored by Abhijit in Maths are more than his marks in Science by 20. II. Total marks scored by Abhijit in Maths, Science and English are 198. III. Marks scored by Abhijit in Science are more than his marks in English by 12.
A
Any two of the three
B
Only II and III
C
All I, II and III
D
Question cannot be answered even with\the information in all the three\statements
Aishwarya studies either computer science or mathematics everyday. If she studies computer science on a day, then the probability that she studies mathematics the next day is 0.6. If she studies mathematics on a day, then the, probability that she studies computer science the next day is 0.4. Given that Aishwarya studies computer science on Monday, what is the probability that she studies computer science on Wednesday?
A
0.24
B
0.36
C
0.4
D
0.6
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
Three maths classes: X, Y, and Z take an algebra test. The average score of class X is 83. The average score of class Y is 76. The average score of class Z is 85. The average score of class X and Y is 79 and the average score of class Y and Z is 81. What is the average score of the combined classes X, Y, and Z?
A
81
B
81.5
C
82
D
84.5
Three maths classes: A, B and C take an algebra test. The average score of class A is 83. The average score of class B is 76. The average score of class C is 85. The average score of class A and B is 79 and average score of class B and C is 81. What is the average score of classes A, B, C ?
A
81
B
78
C
80.5
D
81.5
Out of 25 students of a class, 12 failed the exam and has an average of 45 marks. From the passing students 3 got distinction. If the average of the class is 70 marks, passing marks are 50 and to get a distinction one must score 100 marks, find the average marks of the students who passed the exam without distinction. The exam was of 100 marks.
A
85
B
90
C
91
D
93
In the below dataset which represents subjects liked by students from class 6, determine the frequency of English subject. English, Hindi, Hindi, Marathi, Science, English, Science, English, Mathematics, English, English, History, History, Geography, Mathematics
A
3
B
4
C
2
D
5