The cost of an apple is twice that of a banana and the cost of ba

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%


A.

10%

Let the cost of one banana = ₹ 100
∴       cost of an apple  = ₹ 200
         cost of guava:
                 equals space open parentheses 75 over 100 space equals space 100 space close parentheses
equals space open parentheses fraction numerator 100 space cross times space 100 over denominator 75 end fraction close parentheses space equals space 400 over 3
Total cost of 4 bananas, 2 apples and 3 guavas
     = (4 x 100) + (2 x 200) + (3 x 400/3) = ₹ 1200  ...(i)

After 10% increase in the cost of all fruits
    New cost of banana = ₹ 110
           cost of an apple = 220
            cost of a guava = 440/3

Total cost of 4 bananas, 2 apples and 3 guavas after increase of 10%:
(4 x 110) + (2 x 220) + (3 x 440/3) = ₹ 1320  ...(ii)

From (i) and (ii),
Required percentage increase:
   equals space open parentheses fraction numerator 1320 minus 1200 over denominator 1200 end fraction space cross times space 100 close parentheses
equals space space 10 percent sign



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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

54 Views

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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

34 Views

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

26 Views

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%

26 Views

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

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