Problems on HCF and LCM ,Time and distance [C SEC]

Descrição

Professional Aptitude Quiz sobre Problems on HCF and LCM ,Time and distance [C SEC], criado por Aptitude Final CSE em 26-07-2016.
Aptitude  Final CSE
Quiz por Aptitude Final CSE, atualizado more than 1 year ago
Aptitude  Final CSE
Criado por Aptitude Final CSE quase 8 anos atrás
55
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Resumo de Recurso

Questão 1

Questão
Arrange the words given below in a meaningful sequence. 1. Word 2. Paragraph 3. Sentence 4. Letters 5. Phrase
Responda
  • A. 4, 1, 5, 2, 3
  • B. 4, 1, 3, 5, 2
  • C. 4, 2, 5, 1, 3
  • D. 4, 1, 5, 3, 2

Questão 2

Questão
Arrange the words given below in a meaningful sequence. 1. Yarn 2. Plant 3. Saree 4. Cotton 5. Cloth
Responda
  • A. 2, 4, 5, 1, 3
  • B. 2, 4, 3, 5, 1
  • C. 2, 4, 1, 5, 3
  • D. 2, 4, 5, 3, 1

Questão 3

Questão
If A + B means A is the mother of B; A - B means A is the brother B; A % B means A is the father of B and A x B means A is the sister of B, which of the following shows that P is the maternal uncle of Q?
Responda
  • A. Q - N + M x P
  • B. P + S x N - Q
  • C. P - M + N x Q
  • D. Q - S % P

Questão 4

Questão
If A + B means A is the brother of B; A - B means A is the sister of B and A x B means A is the father of B. Which of the following means that C is the son of M?
Responda
  • A. M - N x C + F
  • B. F - C + N x M
  • C. N + M - F x C
  • D. M x N - C + F

Questão 5

Questão
Introducing a woman, Shashank said, "She is the mother of the only daughter of my son." How that woman is related to Shashank?
Responda
  • A. Daughter
  • B. Sister-in-law
  • C. Wife
  • D. Daughter-in-law

Questão 6

Questão
A song always has
Responda
  • A. Word
  • B. Chorus
  • C. Musician
  • D. Tymbal

Questão 7

Questão
Yesterday I saw an ice cube which had already melted due to heat of a nearby furnace.
Responda
  • A. Always
  • B. Never
  • C. Often
  • D. Sometimes

Questão 8

Questão
EMBEZZLE
Responda
  • A. Misappropriate
  • B. Balance
  • C. Remunerate
  • D. Clear

Questão 9

Questão
Synonyms AUGUST
Responda
  • A. Common
  • B. Ridiculous
  • C. Dignified
  • D. Petty

Questão 10

Questão
Synonyms: CANNY
Responda
  • A. Obstinate
  • B. Handsome
  • C. Clever
  • D. Stout

Questão 11

Questão
Find the greatest number that will divide 43, 91 and 183 so as to leave the same remainder in each case.
Responda
  • 4
  • 7
  • 9
  • 13

Questão 12

Questão
Let N be the greatest number that will divide 1305, 4665 and 6905, leaving the same remainder in each case. Then sum of the digits in N is:
Responda
  • 4
  • 5
  • 6
  • 8

Questão 13

Questão
The greatest number of four digits which is divisible by 15, 25, 40 and 75 is:
Responda
  • 9000
  • 9400
  • 9800
  • 9600

Questão 14

Questão
Find the HCF of 2^2 ×3^2×7^2, 2×3^4×7
Responda
  • 128
  • 126
  • 146
  • 434

Questão 15

Questão
What will be the LCM of 8, 24, 36 and 54
Responda
  • 54
  • 108
  • 216
  • 432

Questão 16

Questão
What will be the least number which when doubled will be exactly divisible by 12, 18, 21 and 30 ?
Responda
  • 196
  • 630
  • 1260
  • 2520

Questão 17

Questão
The ratio of two numbers is 3 : 4 and their H.C.F. is 4. Their L.C.M. is:
Responda
  • 12
  • 16
  • 24
  • 48

Questão 18

Questão
The smallest number which when diminished by 7, is divisible 12, 16, 18, 21 and 28 is:
Responda
  • 1008
  • 1015
  • 1032
  • 1022

Questão 19

Questão
252 can be expressed as a product of primes as:
Responda
  • 2 x 2 x 3 x 3 x 7
  • 3 x 3 x 3 x 3 x 7
  • 2 x 3 x 3 x 3 x 7

Questão 20

Questão
Find the lowest common multiple of 24, 36 and 40.
Responda
  • 120
  • 240
  • 360
  • 480

Questão 21

Questão
The least number which should be added to 2497 so that the sum is exactly divisible by 5, 6, 4 and 3 is:
Responda
  • 3
  • 13
  • 23
  • 33

Questão 22

Questão
The least number which when divided by 5, 6 , 7 and 8 leaves a remainder 3, but when divided by 9 leaves no remainder, is:
Responda
  • 1677
  • 1683
  • 2523

Questão 23

Questão
A, B and C start at the same time in the same direction to run around a circular stadium. A completes a round in 252 seconds, B in 308 seconds and c in 198 seconds, all starting at the same point. After what time will they again at the starting point ?
Responda
  • 26 minutes and 18 seconds
  • 42 minutes and 36 seconds
  • 45 minutes
  • 46 minutes and 12 seconds

Questão 24

Questão
Three number are in the ratio of 3 : 4 : 5 and their L.C.M. is 2400. Their H.C.F. is:
Responda
  • 40
  • 80
  • 120
  • 200

Questão 25

Questão
The G.C.D. of 1.08, 0.36 and 0.9 is:
Responda
  • 0.03
  • 0.9
  • 0.18
  • 0.108

Questão 26

Questão
The product of two numbers is 2028 and their H.C.F. is 13. The number of such pairs is:
Responda
  • 1
  • 2
  • 3
  • 4

Questão 27

Questão
An aeroplane covers a certain distance at a speed of 240 kmph in 5 hours. To cover the same distance in 1 hours, it must travel at a speed of:
Responda
  • 300
  • 360
  • 600
  • 720

Questão 28

Questão
If a person walks at 14 km/hr instead of 10 km/hr, he would have walked 20 km more. The actual distance travelled by him is:
Responda
  • 50
  • 56
  • 70
  • 80

Questão 29

Questão
A train can travel 50% faster than a car. Both start from point A at the same time and reach point B 75 kms away from A at the same time. On the way, however, the train lost about 12.5 minutes while stopping at the stations. The speed of the car is:
Responda
  • 100kmph
  • 110kmph
  • 120kmph
  • 130kmph

Questão 30

Questão
Excluding stoppages, the speed of a bus is 54 kmph and including stoppages, it is 45 kmph. For how many minutes does the bus stop per hour?
Responda
  • 9
  • 10
  • 12
  • 20

Questão 31

Questão
In a flight of 600 km, an aircraft was slowed down due to bad weather. Its average speed for the trip was reduced by 200 km/hr and the time of flight increased by 30 minutes. The duration of the flight is:
Responda
  • 1 hr
  • 2 hr
  • 3 hr
  • 4 hr

Questão 32

Questão
A man complete a journey in 10 hours. He travels first half of the journey at the rate of 21 km/hr and second half at the rate of 24 km/hr. Find the total journey in km.
Responda
  • 220
  • 224
  • 230
  • 234

Questão 33

Questão
The ratio between the speeds of two trains is 7 : 8. If the second train runs 400 km in 4 hours, then the speed of the first train is:
Responda
  • 70
  • 75
  • 84
  • 87.5

Questão 34

Questão
A car travelling with 5/7 of its actual speed covers 42 km in 1 hr 40 min 48 sec. Find the actual speed of the car.
Responda
  • 17
  • 25
  • 30
  • 35

Questão 35

Questão
A man on tour travels first 160 km at 64 km/hr and the next 160 km at 80 km/hr. The average speed for the first 320 km of the tour is:
Responda
  • 35.55 km/hr
  • 35km/hr
  • 71.11km/hr
  • 71km/hr

Questão 36

Questão
A man covered a certain distance at some speed. Had he moved 3 kmph faster, he would have taken 40 minutes less. If he had moved 2 kmph slower, he would have taken 40 minutes more. The distance (in km) is:
Responda
  • 5
  • 6
  • 6.25
  • 7.5

Questão 37

Questão
In covering a distance of 30 km, Abhay takes 2 hours more than Sameer. If Abhay doubles his speed, then he would take 1 hour less than Sameer. Abhay's speed is:
Responda
  • 5
  • 6
  • 6.25
  • 7.5

Questão 38

Questão
Robert is travelling on his cycle and has calculated to reach point A at 2 P.M. if he travels at 10 kmph, he will reach there at 12 noon if he travels at 15 kmph. At what speed must he travel to reach A at 1 P.M.?
Responda
  • 8
  • 11
  • 12
  • 14

Questão 39

Questão
It takes eight hours for a 600 km journey, if 120 km is done by train and the rest by car. It takes 20 minutes more, if 200 km is done by train and the rest by car. The ratio of the speed of the train to that of the cars is:
Responda
  • 2:3
  • 3:2
  • 3:4
  • 4:3

Questão 40

Questão
A farmer travelled a distance of 61 km in 9 hours. He travelled partly on foot @ 4 km/hr and partly on bicycle @ 9 km/hr. The distance travelled on foot is:
Responda
  • 14 km
  • 15 km
  • 16 km
  • 17 km

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