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# RBI Assistant Numerical Ability Preparation Tips – For Prelims

Many Exams kicked in at the very beginning of a New Year laying candidates’ expectations to rest. Prominent exams like NABARD Grade A, SBI Clerk, & RBI Assistant are all lined up in the month of Feb/March 2020 for the prelims phase. A few sections that are common in all the exams are Numerical Ability, Reasoning Ability & English section. These sections test candidates on their basic skills and understanding of the subject. One Section that sets the game apart is Numerical Ability Section. Questions asked here are completely logic-based and sometimes direct formula based but solving 35 questions in a defined time of 20 minutes requires a prudent thought process and accuracy to clear the section. To help you with your preparation for this section, we have devised a study plan that will help you start from scratch and take your RBI Assistant Numerical Ability Section Preparations to the next level. Given that the question level in Numerical Ability is similar for all these exams, these techniques could be applied for all the above-mentioned exams.

## RBI Assistant Numerical Ability Preparation Tips – Study Plan

Start Your Preparation right away with this 20 day devised plan, this will cover your basic as well as will help you analyze your performance by specially curated tests.

 Day 1 Number Series Day 11 Take A Complete Mock Test & Analyze Surds, Indices, Cubes & Square Roots Boats & Streams Based Questions Take Number Series Topic Test Revise the Learned Concepts Day 2 Percentage Day 12 Number Series Average + Practice Qs Take Number Series Topic Test & Percentage Analyze Your Mocks for Weak Points Day 3 Simplification Day 13 Solve Types OF Puzzles Simplification Topic Test Data Interpretations Profit & Loss Concept Practice Puzzles Day 4 Profit & Loss Based Qs Day 14 Revise LCM, HCF, Square roots & Cube Roots Simple Interest & Compound Interest Practice More Questions Take Topic Test Puzzles Practice Day 5 Approximation Concepts Day 15 Caselet Concepts Practice Questions caselet Topic Test Tricks To Solve Approximation & Simplification Analyze Tests for Tricks Day 6 Take A Mock Test & Analyze Your Preparations Day 16 Take A Complete Mock Test Revise Learned Concepts Practice Qs on Pie & Bar Charts Mixture Concepts Practice Caselets Day 7 Allegation Concepts Day 17 Take A Full Mock Test & Analyze Mixture & Allegation Topic Test Analyze Your Test Ratio & Proportion Concept Revise Concepts Day 8 Ratio & Proportion Topic Test Day 18 Watch Short Trick Videos Analyze Your Test Watch Tricks Videos Solve Qs on TSD & Time & Work Day 9 Inequalities Day 19 Practice Puzzles & Caselet Take Topic Test Practice Questions on Approximation & Inequalities Time & Work Concepts Take A Full Mock Test & Analyze Day 10 Time & Work Topic Test Day 20 Relax & Revise All the learned concepts Time, Speed & Distance Questions on TSD Boats & Streams Concepts

This plan is specifically devised for Numerical Ability Section and can be used to prepare yourself for any upcoming bank/Insurance exam. This study plan is made keeping in mind that the candidate is preparing from the very basics. This plan should be strategically improvised along with the other sections that will appear in the exam. A combined take-up of all the sections at once will not only boost your prep but will also induce confidence in you.

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## RBI Assistant Numerical Ability Preparation Tips – Topic-Wise

Numerical Ability Section Comprises of Topics like, Number System, Number Series, Approximation, Simplification, Arithmetic, Puzzles, Caselet, Time & Work, Time, Speed & Distance, etc. Here we are going to cover preparation tips for a few of the topics thus allowing you to get a better picture of how to approach this section.

### RBI Assistant Numerical Ability Preparation Tips – Caselets

Given the time restrictions in the section, t becomes very important to think less and act fast with good accuracy. Getting more number of questions right within less amount of time should be the sole aim of the aspirants. To do that, one needs to be completely aware of the types of question that is to be followed in the exam. Solving more and more such questions not only boosts confidence but also allows one to save time on actual exam day. Practice as many caselet as you can find. RBI Assistant Numerical Ability Section castes much focus on this topic.

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#### RBI Assistant Numerical Ability Sample questions that can be expected:

Caselet 1: In an examination, six subjects – English, Hindi, Maths, Science, History & Geography have equal maximum marks. The number of marks scored by one particular candidate in the subject English is 20% less than his marks in the subject Geography. The ratio of marks scored by the same candidate in subject Hindi to that in Maths is 4:5 and that in Science to History is 3:4. The number of marks scored by this candidate in the subject History is 25% more than that of Geography. He scored 65 marks in the subject Maths. He scored 436/9 % in the examination and the average of marks scored by him in all the subjects is 218/3.

Q1) What was the total marks in the examination?

(a) 600
(b) 750
(c) 900
(d) 1200

Q2) What percentage of marks the candidate had scored in History over the maximum marks of that subject?

(a) 33.33%
(b) 32%
(c) 100%
(d) 66.66%

### RBI Assistant Numerical Ability Preparation Tips – Arithmatic Puzzles

Pick the information that is important and leave out the information that is not required in solving the given set of questions. Develop a general idea regarding the theme of the problem. Select the data that is giving you some concrete information out of total information given. Also, select the data which helps in ruling out certain possibilities.

#### RBI Assistant Numerical Ability Sample Question:

Five friends A, B, C, D, and E traveled from  Darjeeling to five different countries US, UK, China, Canada, Russia by 5 different modes of transport: Cycle, Rocket, Time Machine, Yacht, and Bike.
The one who traveled to China did not travel by Bike.
C went to Canada by Yacht and B went to UK  by Time Machine.
D traveled by Bike and E traveled by Rocket.
Darjeeling is not connected by Cycle to US and China.

1) Which of the following combinations of person and mode is not corrected?

(i). A — Cycle
(ii) B — Time Machine
(iii) C — Yacht
(iv) D — Bike
(v) E — Time Machine

### RBI Assistant Numerical Ability Preparation Tips

The majority of questions asked in the exam are based on simple concepts, and this makes it an absolute must that one works on the concepts and does not fall into the routine of cramming questions itself. An important aspect is moving onto the next question if you are stuck on a single question. It has been observed that certain students get stuck on one question & spend 15-20 minutes on this question because they feel that can do this question.

#### RBI Assistant Numerical Ability Sample Arithmetic questions

Q1) What is the difference between the compound interests on Rs. 5000 for 1 year at 4% per annum compounded yearly and half-yearly?

(a) 2.04 Rs
(b) 3.06 Rs
(c) 8.30 Rs
(d) 4.80 Rs

Q2) A boat takes 90 minutes less to travel 36 miles downstream than to travel the same distance upstream. If the speed of the boat in still water is 10 mph, the speed of the stream in mph is:

(a) 4
(b) 3
(c) 2
(d) 2.5

Q3) By selling 45 lemons for Rs 40, a man loses 20%. How many should he sell for Rs 24 to gain 20% in the transaction?

(a) 22
(b) 16
(c) 18
(d) 20