Latest RRB Aptitude Question SOLUTION: A students average score in 10 tests is 78. What must be the students score on a 5th test for the overall average score to become 80? a) 80 b) 84 c) 82 d) 88

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Previous Question: 22) The present ratio of students and teachers at a certain school is 30 to 1. If the student enrolment is to increase by 50 students and number of teachers by 5, the ratio of teachers would then be 25 to 1. Find the present number of teachers. a) 15 b) 8 c) 10 d) 15 Next Question: 25) If area of square region having sides of length 6 cms is equal to the area of rectangle region having width 2.5 cms, then length of rectangle in cms is: a) 9.5 b) 14.4 c) 13.6 d) 8.5

(#M40026078) RRB question 2011 QUESTION Keep an EYE

A students average score in 10 tests is 78. What must be the students score on a 5th test for the overall average score to become 80?

a) 80
b) 84
c) 82
d) 88: Asked In RRB MAN (11 years ago); Unsolved Read Solution (1); Is this Puzzle helpful? (2) (0) Submit Your Solution

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Previous Question: 22) The present ratio of students and teachers at a certain school is 30 to 1. If the student enrolment is to increase by 50 students and number of teachers by 5, the ratio of teachers would then be 25 to 1. Find the present number of teachers. a) 15 b) 8 c) 10 d) 15 Next Question: 25) If area of square region having sides of length 6 cms is equal to the area of rectangle region having width 2.5 cms, then length of rectangle in cms is: a) 9.5 b) 14.4 c) 13.6 d) 8.5

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