iGate Numerical Aptitude Questions TechMahindra Numerical Paper
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Distribution of workers in a factory according to the no. Of children they have Figure

Total no. Of workers in the factory. Ans: 200

Total no. Of children that all the workers that have between them is Ans: 560

The total no. Of literate workers is Ans: 105

The ratio of literate & illiterate is Ans1: 2

The no. Of literate workers with atleast 3 children is Ans: 45

The no. Of illiterate workers with less than 4 children is Ans: 60

The rate of literate to illiterate workers who have 3 children is Ans3: 4

Which of the following statement (s) is (are) not true

Literate workers have small families than illiterate workers.

Families with 2 or less than 2 children are commoner than families with 3 or more children.

2 children families constitute 60% of the families of workers.

More the no. Of children a worker has the more illiterate he is:

None the above statement is true.
Ans: e


____of a mutual instrument vibrate 6, 8 & 12 intervals respectively. If all three vibrate together what is the time interval before all vibrate together again? LCM of NRAns: ½ sec HCF of DR

Certain no. Of men can finish a piece of work in 10 days. If however there were 10 men less it will take 10 days more for the work to be finished. How many men were there originally. Ans: 110 men

In simple interest what sum amounts of Rs. 1120/in 4 years and Rs. 1200/in 5 years. Ans: Rs. 800/

Sum of money at compound interest amounts of thrice itself in 3 years. In how many years will it take 9 times itself. Ans: 6

Two trains in the same direction at 50 & 32 kmph respectively. A man in the slower train observes the 15 seconds elapse before the faster train completely passes him. What is the length of faster train? Ans: 75m

How many mashes are there in a sq. m of wire gauge. Each mesh being 8mm long X 5mm width Ans: 25000

x% of y is y% of? Ans: x

The price of sugar increases by 20%, by what % housewife should reduce the consumption of sugar so that expenditure on sugar can be same as before Ans: 16.66

A man spending half of his salary for house hold expenses, 1/4th for rent, 1/5th for travel expenses, a man deposits the rest in a bank. If his monthly deposits in the bank amount 50. What is his monthly salary? Ans: 1000

The population of a city increases @ 4% p. a. That is an additioanl annual increase of 4% of the population due to this influx of job seekers, the % increase in population after 2 years is Ans:

The ratio of no. Of boys & girls in a school is 3: 2 Out of these? % the boys & 25% of girls are scholarship holders. % of students who are not scholarship holders. Ans:

15 Men take 21 days of 8 hrs. Each to do a piece of work. How many days of 6 hrs. Each would do if 21 women take. If 3 women do as much work of 2 men. Ans: 30

a cylinder ingot 6cms in diameter and 6 cms in height is and spheres all of the same size are made from the material obtained. What is the diameter of each sphere? Ans: 3cms

rectangular plank of sqrt (2) meters wide can be placed so that it is on either side of the diagonal of a square shown below. What is the area of the plank? Ans: 7sqrt (2) fig no

the difference b/w the compound interest payble half yearly and the simple interest on a certain sum cont out at 10% p. a for 1 year is Rs. 25 what is the sum Ans: 10, 000

what is the smallest n0 by which 2880 must be divided in order to make it a perfect square? Ans: c

3

4

5

6

8


a father is 30 times more than his son however he will be only thrice as old as the son what is father's present age? Ans: 40

An article sold at a profit of 20% if both the c. p & s. p were to

be Rs. 20/the profit would be 10% more. What is the c. p of that
article?
Ans: 1% loss