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Frequently Asked TCS Numerical Ability - Averages Interview Questions with Answers

(#M40032137) TCS QUESTION number Keep an EYE

Q. Average age of students of an adult school is 40 years. 120 new students whose average age is 32 years joined the school. As a result the average age is decreased by 4 years. Find the number of students of the school after joining of the new students:
Option
(a)1200
(b)120
(c)360
(d)240

Asked In TCS saranya sankar (11 years ago)

Solved Keerthi Read Solution (11)

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(#M40011800) TCS QUESTION Keep an EYE

Average age of a class of 40 girls is reduced by 1 year when 10 girls whose average age is 20 years, are discharged and 10 new girls are admitted find the average age of new comers?

Asked In TCS ashwini jadhav (12 years ago)

Unsolved Read Solution (7)

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(#M40003092) TCS QUESTION Keep an EYE

3 friends A,B,C went for week end party to McDonald's restaurant and there they measure there weights in some order in 7 rounds. A, B, C, AB, BC, AC, ABC. Final round measure is 155 kg, then find the average weight of all the 7 rounds?

Asked In TCS (13 years ago)

Solved ANUJ MAURYA Read Solution (6)

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(#M40011284) TCS QUESTION Keep an EYE

. In a telecom assembly factory,there are 250men and 150 women.The average productivity of all works is 12 units per day.The average productivity of men is 15 units per day..what is the average productivity of women per day?
a)6 b)9 c)7 d)8

Asked In TCS kirankarthik (12 years ago)

Unsolved Read Solution (9)

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(#M40010907) TCS QUESTION Keep an EYE

Apple costs L rupees per kilogram for first 30kgs and Q rupees per kilogram for each additional kilogram. If the price of 33 kilograms is 11.67and for 36kgs of Apples is 12.48 then the cost of first 10 kegs of Apples is
a) 3.50 b) 10.53 c) 1.17 d)2.8

Asked In TCS krishnamurthy (12 years ago)

Unsolved Read Solution (9)

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(#M40038945) TCS QUESTION time and speed Keep an EYE

Assume that the rate of consumption of coal by a locomotive engine varies as the square of its speed and is 1000 kg per hour when the speed is 60 kmph, when in motion. If coal costs the railway company Rs.15 per 100 kg and if the other expenses of running the train is Rs.12 per hour, find a formula for the cost in paise per kilometre when the speed is S km per hour.
options:
(1200/S)+(25S^2/6)
(1200/S)+(5S^2/18)
(1200/S)+(25S/6)
none

Asked In TCS Niveditha Ravichandran (10 years ago)

Unsolved Read Solution (8)

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(#M40027128) TCS QUESTION Keep an EYE

How many kgs. of wheat costing Rs. 5 per kg must be mixed with 45 kg of rice costing Rs. 6.40 per kg so that 20% gain may be obtained by selling the mixture at Rs. 7.20 per kg ?

Asked In TCS (11 years ago)

Unsolved Read Solution (7)

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(#M40023717) TCS QUESTION Remainder Keep an EYE

what is the remainder when 50! is divided by 16^8??

Asked In TCS Praveen kumar (11 years ago)

Solved Danish Shaikh Read Solution (5)

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(#M40153483) TCS QUESTION averages Keep an EYE

10 years ago, the average age of 10 people was 33 years. After 3 years, a person of age 40 died. After another 3 years, another person of age 40 died. After another 3 years, another person of age 30 dies. Find the present average age.

Asked In TCS Bharanidharan.S (9 years ago)

Unsolved Read Solution (8)

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(#M40000410) TCS QUESTION Keep an EYE

10 suspects are rounded by the police and questioned about a bank robbery. Only one of them is guilty. The suspects are made to stand in a line and each person declares that the person next to him on his right is guilty. The rightmost person is not questioned. Which of the following possibilities are true?
A. All suspects are lying or the leftmost suspect is innocent.
B. All suspects are lying and the leftmost suspect is innocent .
a) B only
b) Both A and B
c) A only
d) Neither A nor B

Asked In TCS V.V.Ravi Teja (14 years ago)

Solved GOWTHAMRAAJ Read Solution (9)

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