EASY
CAT
IMPORTANT
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If the average mark of a  students in a class is c and that of the remaining b students is d, what is the average mark of the class?

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Important Questions on Arithmetic

MEDIUM
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 23
The average marks of a class of 48 students is 35. Of them, two score zero, of the rest, the first 30 scored an average of 40, the next fourteen scored an average of 20. If the remaining two scored equal marks, what arc their individual marks?
MEDIUM
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 24
The total salary of A, B, and C is ₹ 444. If they spent 80%, 85%, 75% of their salaries, respectively, then savings are as 7:6:9. Then, salary of B is:
MEDIUM
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 25
The average age of two-third of the class is 17. What should be the average the age of the remaining one-third students so that the average age of the entire class is 20 ?
MEDIUM
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 26
Sidharth Tripathi travels from Delhi to Lucknow at a speed of 75 km/h and returns to Delhi at a speed of 50 km/h. He again leaves for Lucknow immediately at a speed of 30 km/h and returns back to Delhi at a speed of 60 km/h. What is his average speed for the entire journey?
MEDIUM
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 27
Average marks of a class of n students is 64. When eight new students with an average marks of 73 join the class, the new average of the entire class is a whole number. Find the number of students in the class given that n lies between 25 to 60.
HARD
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 28
Average of five consecutive integers is N. What will be the new average when next two integers are also included?
MEDIUM
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 30
There are 3 clubs A, B & C in a town with 40, 50 & 60 members respectively. While 10 people are members of all 3 clubs, 70 are member in only one club.How many belong to only two club.
EASY
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 31
In a country, the average salary per month is calculated on the basis of 14 months and average expenses is calculated on the basis of 10 months. What will happen to the average savings per month with respect to actual savings (calculated on the basis of 12 months)?