# Data Sufficiency

Are you preparing for campus placements,Banking,SSC, IAS, Insurance,Defence and other competitive exams? Then, make sure to take some time in practicing the Data Interpretation questions and answer in Quantitative Aptitude. Moreover, only those questions are included that are relevant and likely to be asked in any competitive exam. So, take these questions and answer, brush up your skills and practice to stay fully prepared for any your exam.

• Q1.Directions: What should come in place of question mark (?) in the following questions?${\left(38.05\right)}^{2}-{\left(29.9\right)}^{2}+{\left(20.9\right)}^{2}=?\left(L2\right)$

• Q2.Direction: A question is given followed by the information in three statements. You have to decide the information in which of the statements is necessary and sufficient to answer the question and mark answer accordingly.
What will be the ratio between the two digits in the two digit number?
Statements:
I. The largest digit is 9.
II. The sum of the digits in the number is 3 times their difference.

• Q3.Direction: A question is given followed by the information in three statements. You have to decide the information in which of the statements is necessary and sufficient to answer the question and mark answer accordingly.
Three friends, A, B and C started a partnership business investing money in the ratio of 3: 2: 1 respectively for a period of 3 years. What is the amount received by C as his share of profit?
Statements:
I. Total amount invested in the business in Rs. 24,750.
II. Profit earned at the end of 3 years is 2/3 of the total investment.
III. The average amount of profit earned per year is Rs. 5500.

• Q4.Direction: A question is given followed by the information in three statements. You have to decide the information in which of the statements is necessary and sufficient to answer the question and mark answer accordingly.
16 men and 28 women are working together on a construction site. After working for 3 days, 10 men and 16 women leave the work. How many more days will be required to complete the work?
Statements:
I. 38 men and 24 women together can complete the work in 9 days.
II. 32 men can complete two-third of the work in 8 days.
III. In 2 days, the work done by six men in equal to the work done by eight women.

• Q5.Direction: A question is given followed by the information in three statements. You have to decide the information in which of the statements is necessary and sufficient to answer the question and mark answer accordingly.
What is the length of a running train A crossing another running train B?
Statements:
I. These two trains take 24 seconds to cross each other.
II. These trains are running in opposite directions.
III. The length of the train A is 360 metres.

• Q6.Direction: A question is given followed by the information in three statements. You have to decide the information in which of the statements is necessary and sufficient to answer the question and mark answer accordingly.
Who among men, women or boys will complete same piece of work the fastest?
Statements:
I. 18 men and 16 women can complete the piece of work in 24 days.
II. 24 men and 18 boys can complete the same piece of work in 32 days.
III. 20 women and 18 girls can complete the same piece of work 22.5 days.