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Frequently Asked Dell Placement Papers with Solution

(#M40003427) DELL QUESTION age problem Keep an EYE

Q. The ratio of present ages of X and Y is 4:5. Which of the following cant be the ratio of ages of X and Y, 20 years ago?

Option
a) 2:4
b) 9:10
c) 2:3
d) 3:5

Asked In Dell Sulekha (8 years ago)

Solved DIPIN Read Solution (4)

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(#M40010495) DELL QUESTION Keep an EYE

If in the following set of numbers, the first and the third digits are interchanged in each number, which number will be second if arranged in ascending order after interchanging the digits?
583 645 396 287 469
1) 583
2) 645
3) 396
4) 287
5) 469

Asked In Dell PARAG KAMRA (7 years ago)

Solved shweta Read Solution (11)

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(#M40018050) DELL QUESTION Rail track Keep an EYE

Q. Only a single rail track exists between station A and B on a railway line. One hour after the north bound super fast train N leaves station A for Station B, a south bound passenger train S reaches station A from station B. The speed of the super fast train is twice that of a normal express train E, while the speed of a passenger train is half that of E. On a particular day N leaves for station B from Station A, 20 minutes behind the normal schedule. In order to maintain the schedule both N and S increased their speed. If the super fast train doubles its speed, what should be the ratio (approximately) of the speed of passenger train to that of the super fast train so that passenger train S reaches exactly at the scheduled time at station A on that day.

Option
a) 1 : 3
b) 1 : 4
c) 1 : 5
d) 1 : 6

Asked In Dell Govind (6 years ago)

Solved Aman Read Solution (2)

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(#M40010494) DELL QUESTION Keep an EYE

. In the word CONTRACTUAL, the positions of the first and the eleventh letters are interchanged. Similarly, the positions of the second and the tenth letters are interchanged, and so on, up to the positions of fifth and seventh letters are interchanged, keeping the position of sixth letter unchanged. Which letter will be the third to the right of the sixth letter from the left end?
1) U
2) N
3) T
4) A
5) None of these

Asked In Dell PARAG KAMRA (7 years ago)

Solved neeharika Read Solution (14)

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(#M40008892) DELL QUESTION Replacing pipe Keep an EYE

Q. A single pipe of diameter x has to be replaced by six pipes of diameters 10 cm each. The pipes are used to covey some liquid in a laboratory. If the speed/flow of the liquid is maintained the same then the value of x is:

Option
1) 13 cm
2) 18 cm
3) 24.5 cm
4) 24 cm

Asked In Dell Sukh (7 years ago)

Solved Pargat Pal Singh Read Solution (2)

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(#M40008026) DELL QUESTION aptitude Keep an EYE

A farmer divides his herd of x cows among his 4 sons so that one son gets one half of the herd, the second gets one-fourth, the third gets one-fifth and the fourth gets 7 cows. Then x is equal to
(1) 100
(2) 140
(3)180
(4) 160

Asked In Dell (7 years ago)

Unsolved Read Solution (9)

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(#M40036335) DELL QUESTION calenders Keep an EYE

if 3rd december 1999 is sunday what day is 3rd january 2000

Asked In Dell anusha (5 years ago)

Unsolved Read Solution (18)

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(#M40008029) DELL QUESTION aptitude Keep an EYE

1, 1, 3, 9, 5, 25, 7, 49 _, 81

Asked In Dell (7 years ago)

Unsolved Read Solution (27)

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(#M40008030) DELL QUESTION aptitude Keep an EYE

5, 11, 23, 41, 64, _

Asked In Dell (7 years ago)

Unsolved Read Solution (8)

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(#M40003430) DELL QUESTION Terms in series Keep an EYE

Q. The sum of 3rd and 15th elements of an arithmetic progression is equal to the sum of 6th, 11th and 13th elements of the same progression. Then which element of the series should necessarily be equal to zero?

Option
a) 1
b) 9
c) 12
d) None

Asked In Dell Sulekha (8 years ago)

Solved DIPIN Read Solution (6)

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