# NIACL Assistant Numerical Ability

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# NIACL Assistant Numerical Ability

### Introduction

NIACL Assistant 2018 – Preliminary Examination, conducted in online Mode, has: a duration of 1 hour, a total of 100 questions, a maximum score of 100 marks, and consists of 3 sections, namely – English Language, Reasoning Ability and Numerical Ability. The 3 sections are separately timed and the questions can be attempted in any order. There is a Negative marking in NIACL Assistant Preliminary exam and 0.25 marks are deducted for each wrong answer. Candidates must clear the cut-off in all 3 sections to qualify for the NIACL Assistant Main exam. The below sections gives the detailed information about NIACL Assistant Numerical Ability.

### Pattern

SL. No. Name of the test No of questions Marks Duration
1 Test of English Language 30 30 20 Minutes
2 Test of Reasoning 35 35 20 Minutes
3 Test of Numerical Ability 35 35 20 Minutes
Total 100 100

The NIACL Assistant Numerical Ability section in the Prelims, has a total of 35 questions with 35 marks in 20 minutes. Below mentioned are the different categories of expected questions in the Preliminary Exam of NIACL Assistant Numerical Ability Section.

### Samples

1. Number Series:
In following question, a number series is given with one term missing. Choose the correct alternative that will same pattern and fill in the blank spaces: 20, 19, 17, x, 10, 5

A. 12
B. 13
C. 14
D. 15

2. Time, Speed and Distance:
If the wheel of a bicycle makes 560 revolutions in travelling 1.1 km, what is its radius?

A. 31.25 cm
B. 37.75 cm
C. 35.15 cm
D. 11.25 cm

3. Ratio and Proportion:
A bag contains 50 P, 25 P and 10 P coins in the ratio 5: 9: 4, amounting to Rs. 206. Find the number of coins of each type respectively.

A. 360, 160, 200
B. 160, 360, 200
C. 200, 360,160
D. 200,160,300

4. Ratio and Proportion:
A trader mixes 26 kg of rice at Rs. 20 per kg with 30 kg of rice of other variety at Rs. 36 per kg and sells the mixture at Rs. 30 per kg. His profit percent is:

A. No profit, no loss
B. 5%
C. 8%
D. 10%

5. Time and Work:
A can do a piece of work in 10 days, and B can do this work in 15 days. They both started together. After three days, B left the work. In how many more days will the work be finished?

A. 5 days
B. 10 days
C. 15 days
D. 20 days
E. 25 days