IBPS Government Jobs Exams Numerical Ability Averages

The students of a class are divided into 3 groups depending on their performance in a test – the top, middle and bottom. The top group consists of 45% of the students, the middle group consists of 30% of the students and the rest are in the bottom group. The average marks of the bottom group are 20, those of the middle are 25 while the average marks for the entire class are 26. Find the average marks of the top group.
A) 7 B) 12 C) 22 D) 30 E) None of these

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IBPS Other Question

An exam was conducted in a state over 222 centres. The average number of applicants per centre was found to be 1560. However, it was later realized that in one centre, the number of applicants was counted as 1857 instead of 1747. What was the correct average number of applicants per centre ?
A) 1557.87 B) 1558.20 C) 1558.92 D) 1559.51 E) None of these The average salary of a company increases by 100 when the salary of the manager, which is Rs. 9500, is included. If the number of employees excluding the manager is the smallest cube divisible by 16, what is the final average of the company? A) Rs. 4000 B) Rs. 3400 C) Rs. 3700 D) Rs. 3100