Subject

Quantitative Aptitude

Class

SSCCGL Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

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91.

A boat takes half time in moving a certain distance downstream than upstream. The ratio of the speed of the boat in still water and that of the current is

  • 2 : 1

  • 1 : 2

  • 4 : 3

  • 4 : 3


D.

4 : 3

Let the speed of the boat in still water be x kmph. 
Speed of current be y kmph. 
∴  Rate downstream  = (x + y) kmph
   Rate upstream = (x - y) kmph
Distance  = Speed x Time
∴     (x - y) x 2t = (x + y) x t
rightwards double arrow space space 2 straight x space minus space 2 straight y space equals space straight x space plus space straight y
rightwards double arrow space space 2 straight x space minus space straight x space space equals space 2 straight y space plus space straight y space rightwards double arrow space space straight x space equals space 3 straight y
rightwards double arrow space space space straight x over straight y space equals space space 3 over 1
rightwards double arrow space space space straight x space colon space straight y space equals space 3 space colon space 1

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92.

A tank has two pipes. The first and pipe can fill it in 4 hours and the second can empty it in 16 hours. If two pipes be opened together at a time, then the tank will be filled in

  • 5 1 half hours
  • 10 hours

  • 6 hours

  • 6 hours

286 Views

93.

A farmer travelled a distance of 61 km in 9 hours. He travelled partly on foot at the rate 4 kmph and partly on bicycle at the rate 9 kmph. The distance travelled on foot is

  • 16 km

  • 14 km

  • 17 km

  • 17 km

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94.

A man rows upstream 36 km and downstream 48 km taking 6 hours each time. The speed of the current is

  • 0.5 kmph

  • 2 kmph

  • 1 kmph

  • 1 kmph

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95.

On a certain principal, the compound interest compounded annually for the second year at 10% per annum is 

  • ₹ 1250

  • ₹ 1000

  • ₹ 1200

  • ₹ 1200

227 Views

96.

Study the bar diagram and answer the given questions.

Ratio of highest and lowest marks obtained in first term among all the subjects is

  • 7 : 9

  • 9 : 7

  • 10 : 7

  • 10 : 7

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97.

Study the bar diagram and answer the given questions.

Average marks obtained by the students for all subjects in second term is

  • 65

  • 73

  • 62

  • 62

94 Views

98.

In an institution, there are 800 students, Students use different modes of transport for going to the institution and return. The given pie diagram represents the requisite data. Study the diagram carefully and answer the questions.


The number of students who travel in public bus is

  • 150

  • 120

  • 130

  • 130

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99.

In an institution, there are 800 students, Students use different modes of transport for going to the institution and return. The given pie diagram represents the requisite data. Study the diagram carefully and answer the questions.


The number of students who do not use Institute bus is

  • 330

  • 350

  • 480

  • 480

126 Views

100.

In an institution, there are 800 students, Students use different modes of transport for going to the institution and return. The given pie diagram represents the requisite data. Study the diagram carefully and answer the questions.


The number of students who go to institute on foot is

  • 160

  • 170

  • 120

  • 120

198 Views

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