Quantitative Aptitude - Chain Rule

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Question - 1

If the cost of x metres of wire is d rupees,then what is the cost of y metres of wire at the same rate?

  • A Rs.\(({xy\over d})\)
  • B Rs.(xd)
  • C Rs.(yd)
  • D \(Rs.({yd\over x})\)

Question - 2

If the price of 6 toys is Rs.264.37, what will be the approximate price of 5 toys

  • A Rs.140
  • B Rs.100
  • C Rs.200
  • D Rs.220
  • E Rs.240

Question - 3

The price of 357 mangoes is Rs.1517.25.What will be the approximate price of 9 dozens of such mangoes ?

  • A Rs.3000
  • B Rs.3500
  • C Rs.4000
  • D Rs.2500

Question - 4

If a quater kg of potato costs 60 paise,how many paise will 200 gm cost?

  • A 48 paise
  • B 54 paise
  • C 56 paise
  • D 72 paise

Question - 5

If 11.25 m of a uniform iron rod weights 42.75 kg,what will be the weight of 6 m of the same rod?

  • A 22.8 kg
  • B 25.6 kg
  • C 28 kg
  • D 26.5

Question - 6

On a scale of map,0.6 cm represents 6.6 cm .If the distance between the points on the map is 80.5 cm ,the actual distance between these points is :

  • A 9 km
  • B 72.5 km
  • C 190.75 km
  • D 885.5 km

Question - 7

An industrial loom weaves 0.128 metres of cloth every second.Approximately,how many seconds will it take for the loom to weave 25 metres of cloth?

  • A 178
  • B 195
  • C 204
  • D 488

Question - 8

A man completes \(5 \over 8\) of a job in 10 days.At this rate ,how many more days will it take him to finish the job ?

  • A 5
  • B 6
  • C 7
  • D \(7{ 1\over 2}\)

Question - 9

36 men can complete a piece of work in 18 days.In how many days will 27 men complete the same work?

  • A 12
  • B 18
  • C 22
  • D 24
  • E None of these

Question - 10

A fort has provisions of food for 150 men for 45 days .After 10 days ,25 men left the fort.The number of days for which the remaining food will last,is:

  • A \(26{1\over 5}\)
  • B \(37{1\over4 }\)
  • C 42
  • D 54