Subject
Quantitative Aptitude
Topic
Data Sufficiency
Direction: In the following question, a questions is followed by information given in three statements. You have to study the question along with the statements and decide, the information given in which of the statements (s) is necessary to answer the question.
In how many days can 16 men and 8 women together complete the piece of work?
I. 8 men complete the piece of work in 10 days.
II. 16 women complete the piece of work in 10 days.
III. 5 women take 32 days to complete the piece of work.
Direction: In the following question, a questions is followed by information given in three statements. You have to study the question along with the statements and decide, the information given in which of the statements (s) is necessary to answer the question. In how many days can 16 men and 8 women together complete the piece of work? I. 8 men complete the piece of work in 10 days. II. 16 women complete the piece of work in 10 days. III. 5 women take 32 days to complete the piece of work.
ক)
Only I and IIখ)
Only I and IIIগ)
Only II and IIIঘ)
Only I and either II or IIIঙ)
Any two of the threeExplanation
Assume that 1 man can complete the work alone in M days. ∴ In 1 day 1 man can do 1÷M part of the work. [Assuming total work = 1 unit] ⇒In 1 day 16 man can do 16÷M part of the work. 1 woman can complete the work alone in W days. ∴ In 1 day 1 woman can do 1÷W part of the work. [Assuming total work = 1 unit] ⇒In 1 day 8 man can do 8÷W part of the work. If in K days 16 men and 8 women together can complete the piece of work then, [Assuming total work = 1 unit] From statement 1: 8 men complete the piece of work in 10 days. ⇒ M = 80 days. From statement 2: 16 women complete the piece of work in 10 days. ⇒ W = 160 days. From statement 3: 5 women complete the piece of work in 32 days. ⇒ W = 160 days. From statement 1 & 2 or 1 & 3: M = 80 days & W = 160 days. We know that, ⇒ K = 4 ∴ In 4 days 16 men and 8 women together complete the piece of work. ∴ Only I and either II or III required to solve the question.Related questions
Directions: Below Question is followed by two statements A and B. You are to determine whether the data given in the statement is sufficient for answering the question. You should use the data and your knowledge of Mathematics to choose between the possible answers.
6 friends went market to buy clothes. They decided that A will pay for all dresses and others will share their expenses later. If total expense was Rs. 60, 000. What is the expense of C?
A. Total of the expenses of A and E is Rs. 25, 000.
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What is the ratio of the number of fresher to that of seniors in a college?
I. The ratio of males and females in the college is 2:3
II. There are 1125 female freshers in the collegeDirections: Below question consists of a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read the question and both the statements and give answer.
Is x greater than y?
I. x is greater than 200.
II. y is greater than 190.Direction: In the following question, a questions is followed by information given in three statements. You have to study the question along with the statements and decide, the information given in which of the statements (s) is necessary to answer the question.
What is the area of the square?
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II. Measure of one side of square is given.
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What is the two digit number in which unit’s place digit is greater than digit at ten’s place?
I. The difference between the two digits of the number is 2
II. The sum of the two digits of the number is 8Directions: Below question consists of a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read the question and both the statements and give answer.
What is the salary of X?
I. He spends 13% on insurance premium, 5% on medicines and 14% on rest expenses.
II. Even after spending of 32% of his salary, he is able to save Rs.4080Direction:- Below question is followed by two statements I and II. You have to determine whether the data given in the statements are sufficient for answering the question. You should use the data and your knowledge of Mathematics to choose between the possible answers
What is the profit earned by selling a calculator for Rs. 2575?
I. The cost price of 5 such calculators is equal to selling price of 4 such calculators.
II. 25% profit is earned by selling each calculator.Direction:- Below question is followed by two statements I and II. You have to determine whether the data given in the statements are sufficient for answering the question. You should use the data and your knowledge of Mathematics to choose between the possible answers.
What is the product of ages of A and B?B is 7 years older than AB is 14 years old which is twice the age of A