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# Placement Questions & Answers :: TCS

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Not Attempted

181. Five friends Alex,Bill,Cole ,dan & ed visit a few places taking different routes.All cities are visted by diff number of people.The 5 cities F,G,H,I & J are sequentically statoned.Dan takes the direct route to I and visits two places,F is visted by least no. of people.Bill visits G,but not I,& I visted by odd number of people,If dan visits J,Ed also vists J.Cole dosn't vist H.Alex vists all the places.Ed visits lesser cities then cole.what is the ROUTE followed by ED?

Explanation:

Here is no explanation for this answer

Tags: TCS

Not Attempted

182. A dealer originally bought 100 identical batteries at a total cost of q rupees. If each battery was sold at 50 percent above the original cost per battery, then, in terms of q, for how many rupees was each battery sold?

Explanation:

Given bought 100 identical batteries at a total cost of q rupees
SO, Per battery cost = q / 100
If each battery is sold for 50% gain, then selling price = CostPrice * [(100+Gain)/100]
=> q/100 * [(100+50)/100] = 3q/200

Tags: TCS

Not Attempted

183. If n = 4p, where p is a prime number greater than 2, how many different positive even divisors does n have, including n ?

Explanation:

since p is prime greater than 2, then p=odd, thus 4p=even, which means that it has 4 even divisors: 2, 4, 2p, and 4p.

Tags: TCS

Not Attempted

184. A bakery opened yesterday with its daily supply of 40 dozen rolls. Half of the rolls were sold by noon and 80 % of the remaining rolls were sold between noon and closing time. How many dozen rolls had not been sold when the bakery closed yesterday?

Explanation:

If half of the rolls were sold by noon,
Than remaining are 50 % (40) = 20.
Given 80% of the remaining were sold after the noon to closing time
80% (20) = 16
Unsold rolls = (20 - 16) = 4

Tags: TCS

Not Attempted

185. There are equal number of boys and girls in a class. If 12 girls entered out, twice the boys as girls remain. What was the total number of students in a class?

Explanation:

Lets assume total number of boys = y
Total number of girls = x
Given:
Equal number of girls and boys
=> x/y=1/1 => x = y
If 12 girls are entered out,
=> x-12 = x/2
=> x=2x-24 => x=24
So, girls x=24 and boys y=x=24
So, total number of students = x+y
=> 24+24 => 48

Tags: TCS

Not Attempted

186. A tank contains 10,000 gallons of a solution that is 5 percent sodium chloride by volume. If 2500 gallons of water evaporate from the tank, the remaining solution will be approximately what percentage of sodium chloride?

Explanation:

Sodium chloride in the original solution = 5% of 10000 = 500
Water in the original solution = 10000 - 500 = 9500
If 2,500 Liters of the water is evaporated then the remaining water = (9500 - 2500) = 7000
Sodium chloride concentration = 500/(500+7000) * 100 = 6.67 %

Tags: TCS

Not Attempted

187. If the area of a square region having sides of length 6 cms is equal to the area of a rectangular region having width 2.5 cms, then the length of the rectangle, in cms, is

Explanation:

Given:
Area of the square = Area of rectangle
square side length = 6 cms. And rectangle width = 2.5 cms.

6^2 = l*2.5
l = 14.4 cms.

Tags: TCS

Not Attempted

188. What is the lowest possible integer that is divisible by each of the integers 1 through 7, inclusive?

Explanation:

number from 1 to 7, that number should be L.C.M of(1,2,3,4,5,6,7) = 420

Tags: TCS

Not Attempted

189. Andalusia has been promoting the importance of health maintenance. From January 1,1991 to January 1,1993, the number of people enrolled in health maintenance organizations increased by 15 percent. The enrollment on January 1,1993 was 45 million. How many million people(to the nearest million) was enrolled in health maintenance organizations on January 1,1991?

Explanation:

Here is no explanation for this answer

Tags: TCS

Not Attempted

190. In the following, which is the closest approximation of (50.2*0.49)/199.8 ?