MEDIUM

CAT

IMPORTANT

Earn 100

The class $X$ of Nav Yug Vidhyalaya has four sections- $A, B, C$ and $D$ . The average weight of the students of $A, B, C$ together and $A, C, D$ together are $45 kg$ and $55 kg$ , respectively, while the average weight of the students of $A, B, D$ together and $B, C, D$ together are $50 kg$ and $60 kg$ , respectively. Which of the following could be the average weight of the students of all the four sections together?

50% studentsanswered this correctly

Important Questions on Arithmetic

MEDIUM

CAT

IMPORTANT

Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 7

The average score of a cricketer in a certain number of innings is

44 .

He then played another eight innings in which he got out at

97, 3, 23, 0, 68, 40, 50

, and

71

runs, respectively. Then, which of the following statements is true regarding his new average score in all the innings together?

MEDIUM

CAT

IMPORTANT

Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 8

Average age of

A, B

, and

C

is 84 years, however, when

D

joins them, then the average comes down to

80 .

Now, a new person

E

whose age is

3

years more than

D

replaces

A

and the new average is

79

years. What is the age of

A

EASY

CAT

IMPORTANT

Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 11

If the average of m numbers is

a

, and on adding

x

to the m numbers, the average of the

(1 + m)

numbers is

b

, then find the value of

x

EASY

CAT

IMPORTANT

Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 12

Brian Lara, the famous batsman, scored

6000

runs in certain number of innings. In the next five innings he was out of form and hence, could make only a total of

90

runs, as a result of which his average fell by

2

runs. How many innings did he play in all, if he gets out in all the innings?

MEDIUM

CAT

IMPORTANT

Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 13

The average weight of

A, B

, and

C

x kg . A

and

C

lose

y kg

each after dieting and

B

gains

\frac{y}{2} kg

. After this their average weight decreases by

1 kg

. Find

y

EASY

CAT

IMPORTANT

Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 14

One out of five weights

A, B, C, D

and

E

is of different weight. A person makes a measurement and finds the following:

$A + B = C + D + E$
Which of the following you should know to find out which one is of different weight?

MEDIUM

CAT

IMPORTANT

Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 15

In a class with a certain number of students, if one student weighing 50 kg is added, then the average weight of the class increases by 1 kg. If one more student weighing 50 kg is added, then the average weight of the class increases by 1.5 kg over the original average. What is the original average weight of the class?

EASY

CAT

IMPORTANT

Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 16

The average weight of the books carried by Kuku to school is

1.5 kg

and

2.5 kg

is the average weight of the exercise books. If Kuku is carrying only text books and exercise books in the ratio of

3 : 4

, what is the total weight of his school bag? (Ignore any other weights such as that of school bag, stationary, etc.)

Important Questions on Arithmetic

Learn and Prepare for any exam you want !