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Frequently Asked Dell Placement Papers with Solution

(#M40008027) DELL QUESTION aptitude Keep an EYE

A man has only 20-paise and 25-paise coins in a bag. If he has 50 coins in all totaling to Rs.11.25, then the number of 20-paise coins is
(1) 28
(2) 27 1
(3)26
(4) 25

Asked In Dell (8 years ago)

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(#M40008893) DELL QUESTION saving time/distance Keep an EYE

Q. Instead of walking along two adjacent sides of a rectangular field, a boy took a short cut along the diagonal and saves a distance equal to half the longer side. Then find the ratio of the shorter side to the longer side.

Asked In Dell Sukh (8 years ago)

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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 (8 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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(#M40003164) DELL QUESTION Keep an EYE

There are 11 lines in plane. How many intersections (Maximum) can be made?

Solution

First line will cut all other 10, similarly second will cut 9, and so on
total = 10+9+8+7+6+5+4+3+2+1 = 55

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Asked In Dell (9 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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(#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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(#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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(#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 (3 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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