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Frequently Asked TCS Numerical Ability - Alligation or Mixture Interview Questions with Answers

(#M40167064) TCS QUESTION Keep an EYE

The ratio in which tea costing Rs. 192 per kg is to be mixed with tea costing Rs. 150 per kg, so that the mixed tea when sold for Rs. 194.4 per kg, gives a profit of 20%
A)5:3 B)5:2 C)2:5 D)3:5

Asked In TCS Devendra Marghade (4 years ago)

Unsolved Read Solution (7)

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(#M40164815) TCS QUESTION Keep an EYE

Shabnam has some parrots and some cages. If she puts 4 parrots per cage, she will have an extra cage. If she puts 3 parrots per cage, she will have one parrot extra. How many parrots does she have?
13
10
16
22
12

Asked In TCS Sinji (7 years ago)

Solved Venkatesh Read Solution (19)

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(#M40012743) TCS QUESTION Keep an EYE

How many kgs. of wheat costing Rs.4.8 per kg must be mixed with 66 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?
22 kg

Asked In TCS rinky das (12 years ago)

Solved Garima Read Solution (12)

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(#M40153024) TCS QUESTION Mixture and Alligation Keep an EYE

In a barrel 729ml of oil. N amount of oil is replaced by water. If the process continues for the 6times and find the amount of oil will be?

Asked In TCS Monica Jessy Rani (9 years ago)

Unsolved Read Solution (9)

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(#M40001216) TCS QUESTION Keep an EYE

If there are 2 wheelers and 4 wheelers parked in a school located at the heart of the city, find the number of 4 wheelers parked there if there were 58 wheels are parked there
a)10 b) 33 c) 22 d) none

Asked In TCS Anjali Dixit (14 years ago)

Solved Rohit Upadhyay MMMEC,GKP Read Solution (7)

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(#M40033575) TCS QUESTION Keep an EYE

A, E, F, and G ran a race.
A said “I did not finish 1st /4th
E said “I did not finish 4th”
F said “I finished 1st”
G said “I finished 4th”
If there were no ties and exactly 3 children told the truth, when who finishes 4th?

Asked In TCS Arpit Rawat (11 years ago)

Unsolved Read Solution (9)

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(#M40001369) TCS QUESTION Keep an EYE

For the FIFA world cup, Paul the octopus has been predicting the winner of each match with amazing success. It is rumored that in a match between 2 teams A and B, Paul picks A with the same probability as A's chances of winning. Let's assume such rumors to be true and that in a match between Ghana and Bolivia, Ghana the stronger team has a probability of 2/3 of winning the game. What is the probability that Paul will correctly pick the winner of the Ghana-Bolivia game?
a)1/9 b)4/9 c)5/9 d)2/3

Asked In TCS (2054 years ago)

Unsolved Read Solution (3)

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(#M40013265) TCS QUESTION Keep an EYE

the price of petrol is rs.60/lt and the price of spirits is rs.40/lt
in what ratio the petrol and spirit be mixed such that the profit after selling the mixture at rs.75/lt be 25%

Asked In TCS charan (12 years ago)

Solved Garima Read Solution (3)

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(#M40001848) TCS QUESTION Keep an EYE

A solution of 25 liters contain 20% sugar, if 10 liters of the solution is evaporated, find the percentage of sugar in the final solution.

Solution

since sugar is non volatile so only water will be evaporated, and density of the solution after adding sugar is also not given, so approximation by SARAVANAN.S is good. His answer is right

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Asked In TCS pragathi (14 years ago)

Solved SARAVANAN.S Read Solution (8)

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(#M40012805) TCS QUESTION Keep an EYE

6 persons standing in the queue for ROBERT movie are wearing different coloured shirts. All of them belong to different age groups. After two years, their average age will be 43. A seventh person joined with them, hence the current average age has become 45. Find the age of seventh person?
(a) 67
(b) 69
(c) 72
(d) 74

Asked In TCS (12 years ago)

Unsolved Read Solution (14)

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