 # Quantitative Aptitude Data Sufficiency Questions for IBPS PO 2019, SBI PO 2019  Directions: Each of the questions below consists of a question and three statements numbered I, II and III given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read all the statements and give answer:
Important for :
1
What will be the cost of painting the four walls and ceiling of a room with length, width and height of 10 m, 15 m, and 20 m respectively? The room has two windows and one door.

Statement I : Cost of painting  is Rs. 7  per square meter.

Statement II : Area of the ground of the room is 150 sq. meter.

Statement III : Area of one window is 15 sq. meter which is 50% of the area of the door.
» Explain it
C
In the room two window and one door are there. From the statement III, we can conclude that the area of one window was 15sq. cm but we cannot find the area of the other window so we would not get our answer even by using all the statements.

Hence, option C is correct.

2
The average of the first four numbers is four times of the fifth number. Find the fifth number.

Statement I : Average of the first two numbers is equal to the average of the next two numbers.

Statement II : Average of the first two numbers is four times of the fifth number.

Statement III : The average of the all the numbers is 3.4
» Explain it
D
Let the number is a, b, c, d, and e where a is the first number, b is the second number and so on

According to question

 a + b + c + d = 4e 4

a + b + c + d = 16e ............(I)

Statement I : Average of the first two numbers is equal to the average of the next two numbers

It means a + b = c + d ..........(ii)

Statement II : Average of the first two numbers is four times of the fifth number.
 a + b = 4e, a + b = 8e ...............(iii) 2

Statement III: The average of the all the numbers is 3.4

So sum of all the numbers = 3.4 × 5 = 17

a + b + c + d + e = 17

From the question statement given,

a + b + c + d = 16e

Or, 16e + e = 17

Therefore, e = 1

Clearly, only statement (iii) is sufficient to answer the question. Hence, option D is correct.

3
What is the rate of the compound interest?

Statement I : A sum of 1000, amounts to 1331 at the rate of compound interest

Statement II : The amount was invested for the period of three years

Statement III : The simple interest received on that amount in one year is equal to the compound interest received on that amount in the first year.
» Explain it
A
From the statement I :  P = 1000 and A = 1331 so interest will become 1331-1000 = 331

From the statement II : Time = 3 years but we could not conclude that the rate of interest was compounded annually or half-yearly.

From the statement III : we can conclude that the rate of interest was compounded annually because the simple interest of one year will be equal to the

compound interest of the first year only if the rate of interest is compounded annually.

Now P = 1000, CI = 331 time =3 years and rate of interest is compounded annually so we can easily find the rate of interest.

So, all the statements are needed to get our answer.

Hence, option E is correct.

4
Can Ram drive from Bangalore to Chennai in less than 3 hours?

Statement I : The average speed of Ram during the whole journey is less than 70 km/hr

Statement II : The distance from Bangalore to Chennai is greater than 210 km.

Statement III : He is driving a car the maximum speed of that can is 150 km/hr
» Explain it
B
From the Statement I, speed is less than 70 km/hr and from the Statement II, distance is more than 210 km so it is clear that he could not drive from Bangalore to Chennai in less than 3 hours. So Statement I and Statement II are needed to get our answer.

In Statement III he can drive up to the speed of 150 km/hr but he drove at the speed of less than 70 km/hr so this statement is insufficient to get our answer.

Hence, option B is correct.

5
A certain mixture of paint requires blue, red, and yellow in the ratio of 2: 3: 4 respectively and no other ingredients. If there are ample quantity of blue and red paints are available then is there enough quantity of yellow paint is available to get the desired amount of the mixture?

Statement I : Exactly 180 litres of the mixture is needed.

Statement II : The difference between the quantity of blue paint available and the red paint available is 60 litres

Statement III :  Exactly 180 litres of red paint are available.
» Explain it
C
From the Statement I, the desired amount of mixture is 180 litres

From the Statement II and Statement III, we can conclude that he had 180 litres of red paint and 120 litres of blue paint but we cannot conclude that how much quantity of yellow paint he has because the given ratio is the ratio to make the mixture. It is not the ratio of quantity he has.

Hence, option C is correct.

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Folks, Data Sufficiency is frequently asked topic in bank po and bank clerk exams, so every aspirant must be aware with it.Aspirants can easily score high by just practicing some important data sufficieny question. At Smartkeeda you will find data sufficieny questions in the form of quizzes and pdf form too.
So you can practice in both modes online and offline.

Here are some examples of data sufficiency for sbi po 2019

Q.1. What is the area of a right-angled triangle ABC, right angled at A?

Statement I : The cir-cum radius of the triangle is 6 cm.

Statement II : Angle ABC = 60 degrees
A. The data in statements I alone is sufficient to answer the question, while the data in statement II alone is not sufficient to answer the question.
B. The data in statements II alone is sufficient to answer the question, while the data in statement I alone is not sufficient to answer the question.
C. Either Statement I or Statement II alone is sufficient to answer the question.
D. The data in both the statements I and II is not sufficient to answer the question.
E. The data in both the statements I and II together is necessary to answer the question

Q.2. After 5 years, what will the sum of the age of Moni and Soni?
Statement I : 5 years before, Moni was 5 years older than Soni.
Statement II : At present, the ratio of their ages is 5 : 6.
A. The data in statements I alone is sufficient to answer the question, while the data in statement II alone is not sufficient to answer the question.
B. The data in statements II alone is sufficient to answer the question, while the data in statement I alone is not sufficient to answer the question.
C. Either Statement I or Statement II alone is sufficient to answer the question.
D. The data in both the statements I and II is not sufficient to answer the question.
E. The data in both the statements I and II together is necessary to answer the question.

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Here is the link of Testzone test-series