Time and Work Problems – Formula, Tricks & Aptitude Questions Answers

Time and Work Problems with 5000+ Aptitude Questions and Answers

Time and Work Problems

Contents

Time and Work Solving is the most important topic for Quantitative Aptitude. Time and Work Problems Questions are asked in all competitive exams. Every year about 5 to 7 questions are being asked from this topic in all Sarkari exams, because of this, more than 10 lakh students have benefited by downloading Time and Work Problems Solving Notes with important Question Answers PDF.

Quantitative Aptitude becomes an important topic for all students to prepare for competitive exams like Railway, SSC Bank, and more.

For the students who are preparing for the competitive exams for the first time or for the students whose exams are near, this available time and work with all the Time & Work Concepts, Time & Work Formulas and Time & Work Tricks to solve the questions very easily PDF of important questions are being provided.

Time & Work – Concept

Before solving the questions and formulas of Time & Work, we will explain its concept to you so that you can easily understand the topic of Time & Work and solve the questions easily.

Time and work problem is related to the time taken by an individual or a group of persons to complete a task and the efficiency of the work done by each of them.

• ☞ If a person does a work in x days, then the work done in 1 day will be 1/x.

• ☞ If a person can do 1/x part in 1 day, then he will complete the work in x days.

• ☞ If the ratio of efficiencies of A and B is x:y; then the ratio of time taken by A and B is y:x.

Given below are the basic type of questions that may be asked in the Competitive Exam:

To find the efficiency of a person
To find the time taken by an individual to do a piece of work
To find the time taken by a group of individuals to complete a piece of work
Work done by an individual in a certain time duration
Work done by a group of individuals in a certain time duration
Specialty of Time, Distance and Speed

Time & Work Formula

Here we are providing you with complete Time & Work Formulas, by using all these formulas, you will be able to solve the questions of Time and Work easily.

Work Done = Time Taken × Rate of Work
Rate of Work = 1 / Time Taken
Time Taken = 1 / Rate of Work
If a piece of work is done in x number of days, then the work done in one day = 1/x
Total Wok Done = Number of Days × Efficiency
Efficiency and Time are inversely proportional to each other

X:y is the ratio of the number of men which are required to complete a piece of work, then the ratio of the time taken by them to complete the work will be y:x
If x number of people can do W1 work, in D1 days, working T1 hours each day and the number of people can do W2 work, in D2 days, working T2 hours each day, then the relation between them will be

Memorable Facts

किमी (km) / घंटा (Hour) से मीटर (Meter) / सेकंड (Second) में बदलने के लिए, 5 / 18 से गुणा
इसलिए, 1 किमी (km) / घंटा (Hour) = 5 / 18 मीटर (Meter) / सेकंड (Second)
M / sec से किमी (km) / घंटे (Hour) में बदलने के लिए, 18/5 से गुणा
इसलिए, 1 m / sec = 18/5 किमी (km) / घंटा (Hour) = 3.6 किमी (km) / घंटा (Hour)
1 किमी (km) / घंटा (Hour) = 5 / 8 मील (Mile) / घंटा (Hour)
1 गज (Yard) = 3 फीट (Feet)
1 किलोमीटर (km) = 1000 मीटर (Meter) = 0.6214 मील (Mile)
1 मील (Mile) = 1.609 किलोमीटर (km)
1 घंटा (Hour) = 60 मिनट (Minute) = 60 * 60 सेकंड (Second) = 3600 सेकंड (Second)
1 मील (Mile) = 1760 गज (Yard)
1 गज (Yard) = 3 फीट (Feet)
1 मील (Mile) = 5280 फीट (Feet)

Quantitative Aptitude की शानदार बुक एवं 12500+ शानदार प्रश्नोत्तर

Time & Work Problems Solving

Time & Work Questions with Problem Solving PDF

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Time and Distance Question Answer

1. A and B can do work in 12 days, B and C in 15 days and C and A in 20 days. If A, B and C work together, they will complete the work in (SSC CGL Prelim Exam. 04.07.1999 & SSC CPO S.I. Exam 07.09.2003 & 03.09.2006 & SSC CGL Prelim Exam. 19.06.2011 & SSC GL Tier-I Exam 19.05.2013)

(A) 2 Days (B) 5 Days
(C) 20 Days (D) 10 Days

Ans- (D) 10 Days
Solution-

2. A and B can do a work in 18 and 24 days respectively. They worked together for 8 days and then A left. The remaining work was finished by B in : (SSC CGL Prelim Exam. 04.07.1999)

(A) 2 days (B) 5 days
(C) 20 days (D)

Ans- (D)

Solution-

3. If 6 men and 8 boys can do a piece of work in 10 days and 26 men and 48 boys can do the same in 2 days, then the time taken by 15 men and 20 boys to do the same type of work will be : (SSC CGL Prelim Exam. 04.07.1999)

(A) 3 Days (B) 4 Days
(C) 6 Days (D) 9 Days

Ans- (B) 4 Days
Solution-

4. 5 men can do a piece of work in 6 days while 10 women can do it in 5 days. In how many days can 5 women and 3 men do it? (SSC CGL Prelim Exam. 04.07.1999)

(A) 4 Days (B) 5 Days
(C) 6 Days (D) 8 Days

Ans- (B) 5 Days
Solution-

5. If 3 men or 6 women can do a piece of work in 16 days, in how many days can 12 men and 8 women do the same piece of work? (SSC CGL Prelim Exam. 27.02.2000)

(A) 4 Days (B) 5 Days
(C) 3 Days (D) 2 Days

Ans- (C) 3 Days
Solution-

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