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Frequently Asked Dell Placement Papers with Solution Page 3

(#M40009084) DELL QUESTION complete a job Keep an EYE

Q. A group of men can complete a job in X hours. After every 4 hours, half the number of men working at that point of time leave the job. Continuing this way if the job is finished in 16 hours, what is the value of X.

Asked In Dell Amar (13 years ago)

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(#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 (13 years ago)

Unsolved Read Solution (11)

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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 (13 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 (14 years ago)

Solved Read Solution (3)

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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 (12 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 (7 years ago)

Unsolved Read Solution (4)

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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 (13 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 (13 years ago)

Unsolved Read Solution (9)

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(#M40008894) DELL QUESTION Dia of circle Keep an EYE

Q. A circle has two parallel chords of lengths 6 cm and 8 cm. If the chord are 1 cm apart and the chord is on the same side of the centre, then find the diameter of the circle .

Asked In Dell Sukh (13 years ago)

Solved Pargat Pal Singh Read Solution (7)

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(#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 (14 years ago)

Solved Dr.Dipin Singh Read Solution (4)

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