Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 17

MEDIUM

CAT

IMPORTANT

Earn 100

The average of n numbers is $32 .$ If $\frac{3}{4}$ of the numbers are increased by $4$ each and the remaining are decreased by $6$ each, then what is the new average?

50% studentsanswered this correctly

Important Questions on Arithmetic

MEDIUM

CAT

IMPORTANT

Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 18

The average of eight numbers is

25,

that of the first two is

20

and of the next three is

26 .

The sixth number is less than the seventh by

4

and less than the eighth by

6 .

The last number is:

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CAT

IMPORTANT

Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 19

The average amount of sales per day in a shop for 5 days starting from Monday is

₹ 1800

. The average amount of sales per day for

5

days from Tuesday is

₹ 1890 .

By how much does the sale on Saturday exceed that on Monday?

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CAT

IMPORTANT

Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 20

Three years ago, the average age of a family of five members was 17 years. Inspite of the birth of a child in the family, the present average age of the family remains the same. The present age of the child is:

EASY

CAT

IMPORTANT

Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 21

A batsman has a certain average runs for 16 innings. In the 17th inning he made a score of 85 runs thereby his average is increased by 3. What is his average after 17th inning?

EASY

CAT

IMPORTANT

Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 22

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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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?

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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:

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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

?