₹ 800 becomes ₹ 956 in 3 yr at a certain rate of

Subject

Quantitative Aptitude

Class

SSCCGL Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

101.

A reduction of 20% in the price of an apple enables a man to buy 10 apples more for ₹ 54. The reduced price of apple per dozen is

  • ₹ 4.32

  • ₹ 12.96

  • ₹ 10.80

  • ₹ 14.40

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102.

Price of a commodity has increased by 60%. By what percent must a consumer reduce the consumption of the commodity so as not to increase the expenditure?

  • 37

  • 37.5

  • 40.5

  • 60

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103.

The cost of an apple is twice that of a banana and the cost of banana is 25% less than that of a guava. If the cost of each type of fruit increases by 10%, then the percentage increase in cost of 4 bananas, 2 apples and 3 guavas is

  • 10%

  • 12%

  • 16%

  • 18%

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104.

Walking 6/7 of his usual speed, a man is 12 min too late. The usual time taken by him to cover that distance is

  • 1 hr

  • 1 h 12 min

  • 1 h 15 min

  • 1 h 20 min

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105.

If I walk at 5 km/h, I miss a train by 7 min. If, however, I walk at 6 km/h, I reach the station 5 min before the departure of the train. The distance (in km) between my house and the station is

  • 6

  • 5

  • 4

  • 3

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106.

₹ 800 becomes ₹ 956 in 3 yr at a certain rate of simple interest. If the rate of interest is increased by 4%. What amount will ₹ 800 become in 3 yr?

  • ₹ 1020.80

  • ₹ 1025

  • ₹ 1052

  • ₹ 1050


C.

₹ 1052

Simple interest (SI) for 3yr  = ₹ 956  - ₹ 800 = ₹ 156 
straight S. straight I. space equals space PRT over 100
rightwards double arrow space space 156 space equals space fraction numerator 800 space cross times space straight R space cross times space 3 over denominator 100 end fraction
rightwards double arrow space space straight R space equals space fraction numerator 156 space cross times space 100 over denominator 800 space cross times space 3 end fraction space equals space 6.5
New rate = (6.5 + 4) = 10.5%
Again,
    straight S. straight I. equals space fraction numerator 800 space cross times space 10.5 space cross times space 3 over denominator 100 end fraction equals space ₹ space 252
∴   After 3 yr, amount = 800 + 252 = ₹ 1052

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107.

Simple interest on a certain sum is 16/25 of the sum. The rate of per cent, if the rate per cent and time (in yr) are equal to

  • 6%

  • 8%

  • 10%

  • 12%

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108.

If the difference between SI and CI for 2 yr on a sum of money lent at 5% is ₹ 6, then the sum is

  • ₹ 2200

  • ₹ 2400

  • ₹ 2600

  • ₹ 2000

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109.

A hemisphere and a cone have equal bases. If their heights are also equal, the ratio of their curved surfaces will be

  • 1 space colon square root of 2

  • square root of 2 space colon space 1

  • 1 : 2

  • 2 : 1

55 Views

110.

If straight x space equals space square root of fraction numerator square root of 5 space plus space 1 over denominator square root of 5 minus 1 end fraction end root space then comma the value of 5x2 - 5x - 1 is

  • 0

  • 3

  • 4

  • 5

34 Views

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