SSC Government Jobs Exams Numerical Ability Averages

The average salary of all the staff in an office of a corporate house is Rs. 5,000. The average salary of the officers is Rs. 14,000 and that of the rest is Rs. 4,000. If the total number of staff is 500, the number of officers is

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SSC Other Question

The average of 3 numbers is 154. The first number is twice the second and the second number is twice the third. The first number is- The average marks of 40 students in an English exam are 72. Later it is found that three marks 64, 62 and 84 were wrongly entered as 60, 65 and 73. The average after mistakes were rectified iS