A. 20
B. 25
C. 30
D. 32
39x = 5 + 12 + 15 + 19 + (x – 4)44
x = 25
Related Mcqs:
- A student scored an average of 80 marks in 3 subjects: Physics, Chemistry and Mathematics. If the average marks in Physics and Mathematics is 90 and that in Physics and Chemistry is 70, what are the marks in Physics?
A. 60
B. 64
C. 72
D. 80 - The total marks obtained by a student in Mathematics and Physics is 60 and his score in Chemistry is 20 marks more than that in Physics. Find the average marks scored in Mathematics and Chemistry together.
A. 40
B. 30
C. 25
D. Data inadequate - In an examination a pupil’s average marks were 63 per paper. If he had obtained 20 more marks for his Geography paper and 2 more marks for his History paper, his average per paper would have been 65. How many papers were there in the examination?
A. 8
B. 9
C. 10
D. 11 - A student who secures 20 % marks in an examination fails by 30 marks. Another student who secures 32 % marks gets 42 marks more than those required to pass. The percentage of marks required to pass is:________?
A. 20%
B. 25 %
C. 28%
D. 30% - The average marks of a class of 30 students is 40 and that of another class of 50 students is 60. Find the average marks of all the students?
A. 50
B. 47.5
C. 59
D. 52.5 - 40% of Raees marks is equal to 20% of Rahim’s marks which percent is equal to 30% of Rehman’s marks. If Rehman’s marks is 80, then find the average marks of Raees and Rahim?
A. 60
B. 70
C. 80
D. 90
E. None of these - The total marks obtained by a student in Physics, Chemistry and Mathematics is 150 more than the marks obtained by him in Physics. What is the average mark obtained by him in Chemistry and Mathematics?
A. 75
B. 150
C. 50
D. None of these - A candidate who gets 30% of the marks fails by 50 marks. But another candidate who gets 45% marks gets 25 marks more than necessary for passing. Find the number of marks for passing?
A. 150
B. 200
C. 250
D. 275 - If the average marks of three batches of 55, 60 and 45 students respectively is 50, 55, 60, then the average marks of all the students is__________?
A. 53.33
B. 54.68
C. 55
D. None of these - A student has to opt for 2 subjects out of 5 subjects for a course. Namely commerce, economics, statistics, mathematics 1 and Mathematics 2, Mathematics 2 can be offered only if mathematics 1 has also opted. The number of different combinations of two subjects which can be opted is_________?
A. 5
B. 6
C. 7
D. 18
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