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Frequently Asked Dell Placement Papers with Solution

(#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 (7 years ago)

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(#M40008029) DELL QUESTION aptitude Keep an EYE

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

Asked In Dell (8 years ago)

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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 (8 years ago)

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(#M40164988) DELL QUESTION Keep an EYE

if (HE)^H=SHE,where the alphabets take the values from (0-9) & all the alphabets are single digit then find the value of (S+H+E)?

Asked In dell gunjan (2 years ago)

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(#M40010496) DELL QUESTION Keep an EYE

18 5 17 = x
64 8 11 = y
What will be the value of x + y?
1) 189
2) 129
3) 69
4) 169

Asked In Dell PARAG KAMRA (8 years ago)

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(#M40008030) DELL QUESTION aptitude Keep an EYE

5, 11, 23, 41, 64, _

Asked In Dell (8 years ago)

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(#M40007795) DELL QUESTION Age problem Keep an EYE

Q. 5 years ago Kate was 5 times as old as her Son. 5 years hence her age will be 8 less than three times the corresponding age of her Son. Find their ages.

Asked In Dell Ashu (8 years ago)

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(#M40010490) DELL QUESTION Keep an EYE

An Engine length 1000 m moving at 10 m/s. A bird is flying from engine to end with x kmph and coming back at 2x. Take total time of bird traveling as 187.5 s. Find x and 2x.

Asked In Dell PARAG KAMRA (8 years ago)

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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 (8 years ago)

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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 (8 years ago)

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