Table of Contents

**Arithmetic Word Questions-** This is one of the most important topic and usually it carries a lot of marks. In IBPS RRB 2020 exam, one can easily expect 10-15 questions from the various arithmetic questions. Arithmetic topics mainly involves Time & Work, Simple Interest and Compund Interest, Profit & loss etc. Questions based on these topics and some more can be asked in the exam. **These topics are examiners favorite topics to play with. The concept of any of the Arithmetic topic can be asked in the form of Caselet or DI thus the importance of this section increases more**. In this space we will be giving you all the important formulas related to each and every topic of Arithmetic and along with the we will also be providing you the free PDF to download and practice what you have learned here.** Make sure that you go through the formulas before attempting the questions from the PDF to get the maximum benefits.**

## Arithmetic Word Questions For IBPS RRB Exam 2020

**Given below are some of the important formulas of the important topics from Arithmetic.** Make sure you read them well and then practice them from the PDF given at the end of this article:

**Time and Work**

- If P can do a piece of work in n days, work done by P in 1 day =1n
- If B does 1n work in a day, B can finish the work in n days.
- If in the question, M1 men can do W1 work in D1 days working H1 hours per day and M2 men can do W2 work in D2 days working H2 hours per day, thenM1D1H1W1=M2D2H2W2
- If P takes days and Q takes q days, P and Q together can finish it in pqp+q days.
- If P is thrice as good as Q in work, then
- ratio of work done by P and Q =3:1
- ratio of time taken to finish a work by P and Q

**Simple Interest & Compund Interest**

- If Principal is P, Rate is R% per annum, Time is
*n*years. *If we are asked to Compound the Interest annually*

Amount = P 1 + R *n*100 *If we are asked to Compound the Interest Half-yearly:*

Amount = P 1 + (R/2) *2n*100 *If we are asked to Compound the Interest Quarterly:*

Amount = P 1 + (R/4) *4n*100 -
*If we are asked to Compound the Interest annually but time is in fraction, say 3 years.*Amount = P 1 + R 3 x 1 + R 100 100 *If we are given rates for years*, say R_{1}%, R_{2}%, R_{3}% for 1^{st}, 2^{nd}and 3^{rd}year respectively.

Then, Amount = P 1 + R _{1}1 + R _{2}1 + R _{3}. 100 100 100 *Present worth of Rs.**x*due*n*years hence is given by:

Present Worth = *x*1 + R *n*100

**Profit & Loss**

- Profit = (S.P.) – (C.P.)
- Loss = (C.P.) – (S.P.)
- Loss or Profit is always calculated on C.P.
- Profit Percentage: (Profit %)

Profit % = Profit x 100 C.P. - Loss Percentage: (Loss %)

Loss % = Loss x 100 C.P. - Selling Price: (S.P.)

SP = (100 + Gain %) x C.P 100 - Selling Price: (S.P.)

SP = (100 – Loss %) x C.P. 100 - Cost Price: (C.P.)

C.P. = 100 x S.P. (100 + Gain %) - Cost Price: (C.P.)

C.P. = 100 x S.P. (100 – Loss %)

**Time, Speed & Distance**

*Formulas to find Speed, Time and Distance:*

Speed = Distance , Time = Distance , Distance = (Speed x Time). Time Speed *Formula to convert km/hr to m/sec:*

*x*km/hr =*x*x5 m/sec. 18 *Formula to convert m/sec to km/hr:*

*x*m/sec =*x*x18 km/hr. 5 -
If in the question, the ratio of the speeds of A and B is

*a*:*b*, then the ratio of thethe times taken by then to cover the same distance is 1 : 1 or *b*:*a*.*a**b* -
If in the question, it is given that a boy covers a certain distance at

*x*km/hr and an equal distance at*y*km/hr. Then,the average speed during the whole journey is 2 *xy*km/hr. *x*+*y*

**Mixture and Alligation**

- If in the question, two ingredients are mixed, then

Quantity of cheaper = C.P. of dearer – Mean Price Quantity of dearer Mean price – C.P. of cheaper It is represented as:

C.P. of a unit quantity

of cheaperC.P. of a unit quantity

of dearer( *c*)Mean Price

(*m*)( *d*)( *d*–*m*)( *m*–*c*)(Cheaper quantity) : (Dearer quantity) = (

*d*–*m*) : (*m*–*c*). -
If in the question, a container contains

*x*of liquid from which*y*units are taken out and replaced by water. we use the given below formula:After *n*operations, the quantity of pure liquid =*x*1 – *y**n*units. *x*

Given above are some of the important formulas that one must know to ace this section and now that you know them **it’s time to practice them with the help of a free PDF given below.**

### Click Here To Download Arithmetic Word Questions With Answer PDF

**Prepare with,**

**TARGET IBPS RRB PO/CLERK PRELIMS 2020 Online Live Batch****Get IBPS RRB PO and Clerk Prime 2020 Online Test Series- Click Here**