EASY
SSC CPO Paper-I
IMPORTANT
Earn 100

The average monthly salary paid to 75 employees in a company is Rs. 1420. The average salary of 25 of them is Rs. 1350 and that of 30 others is Rs. 1425. The average salary of the remaining employees is—

60% studentsanswered this correctly

Important Questions on Arithmetic

EASY
SSC CPO Paper-I
IMPORTANT
Embibe Quantitative Aptitude>Chapter 1 - Arithmetic>Exercise 7>Q 22
The average age of a committee of 8 members is 40 years. A member aged 55 years retired and his place was taken by another member aged 39 years. The average age of the present committee is—
MEDIUM
SSC CPO Paper-I
IMPORTANT
Embibe Quantitative Aptitude>Chapter 1 - Arithmetic>Exercise 7>Q 23
The average amount of sales in a shop per day for 5 days from Monday is ₹1400. The average amount of sales per day for 5 days from Tuesday is   ₹1490. By how much does the sale on Saturday exceed that on Monday?
MEDIUM
SSC CPO Paper-I
IMPORTANT
Embibe Quantitative Aptitude>Chapter 1 - Arithmetic>Exercise 7>Q 24
The average of N numbers is X. If one of the numbers A  is replaced by another one B, the new average is Y. The new number B equals—
MEDIUM
SSC CPO Paper-I
IMPORTANT
Embibe Quantitative Aptitude>Chapter 1 - Arithmetic>Exercise 7>Q 25
In a village, the average age of n people is 42 years. But after the verification, it was found that the age of a person had been considered 20 years less than the actual age, so the new average, after the correction, increased by 1. The value of n is
EASY
SSC CPO Paper-I
IMPORTANT
Embibe Quantitative Aptitude>Chapter 1 - Arithmetic>Exercise 7>Q 26
The average salary of all the staff in the office of a corporate house is Rs. 19750. The average salary of the officers is Rs. 32000 and that of the rest is Rs. 18000. If the total number of staff is 600, the number of officers is:
HARD
SSC CPO Paper-I
IMPORTANT
Embibe Quantitative Aptitude>Chapter 1 - Arithmetic>Exercise 7>Q 27
Sachin Tendulkar has a certain average for 11 innings. In the 12th innings he scores 120 runs and thereby increases his average by 5 runs. His new average is -
HARD
SSC CPO Paper-I
IMPORTANT
Embibe Quantitative Aptitude>Chapter 1 - Arithmetic>Exercise 7>Q 28
The average age of a cricket team of 11 players is the same as it was 3 years back because 3 of the players whose current average age is 33 years were replaced by 3 youngsters. The average age of the newcomers is:
MEDIUM
SSC CPO Paper-I
IMPORTANT
Embibe Quantitative Aptitude>Chapter 1 - Arithmetic>Exercise 7>Q 29
The number of wickets taken by him till the last match, if a bowler whose bowling average is 24.85 runs per wicket takes 5 wickets for 52 runs in a match and thus decreases his average by 0.85 ?