A person loses 75% of his money in the first bet, 75% of the rem

Subject

Quantitative Aptitude

Class

SSCCGL Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

51.

The sum of three consecutive natural numbers each divisible by 5, is 225. The largest among them is

  • 85

  • 75

  • 70

  • 70

370 Views

52.

A can do a piece of work in 18 days. He worked at it for 12 days and B finished the remaining work in 8 days. B alone can do the whole work in

  • 16 days

  • 24 days

  • 28 days

  • 28 days

150 Views

53.

The list price of an article is ₹ 900/- It is available at two successive discounts of 20% and 10%. The selling price of the article is

  • ₹ 640

  • ₹ 648

  • ₹ 540

  • ₹ 540

142 Views

54.

A man spends a part of his monthly income and saves the rest. The ratio of his expenditure to the saving is 61 : 6. If his monthly income is ₹ 8,710/-. the amount of his monthly savings is

  • ₹ 870

  • ₹ 690 

  • ₹ 980

  • ₹ 980

191 Views

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55.

An article was sold at ₹ 950/- allowing 5% discount on the marked price. The marked price of the article is:

  • ₹ 960

  • ₹ 1000

  • ₹ 955

  • ₹ 955

147 Views

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56.

A person loses 75% of his money in the first bet, 75% of the remaining in the second and 75% of the remaining in the third bet and returns home with Rs. 2 only. His initial money was

  • ₹ 64

  • ₹ 128

  • ₹ 256

  • ₹ 256


B.

₹ 128

Let the initial money  = ₹ x 
According to the question
 straight x space cross times space fraction numerator left parenthesis 100 minus 75 right parenthesis over denominator 100 end fraction cross times fraction numerator left parenthesis 100 minus 75 right parenthesis over denominator 100 end fraction cross times fraction numerator left parenthesis 100 minus 75 right parenthesis over denominator 100 end fraction space equals space 2
                rightwards double arrow  straight x cross times 25 over 100 cross times 25 over 100 cross times 25 over 100 equals space 2
                 rightwards double arrow space space straight x space cross times space 1 fourth cross times 1 fourth cross times 1 fourth space equals space 2
rightwards double arrow space space straight x space equals space ₹ space 128

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57.

The time taken by a train 160 m long, running at 72 km/hr, in crossing an electric pole is

  • 8 sec

  • 9 sec

  • 6 sec

  • 6 sec

222 Views

58.

If straight x plus fraction numerator 1 over denominator 9 straight x end fraction space equals space 4 comma then 9 straight x squared plus fraction numerator 1 over denominator 9 straight x squared end fraction is

  • 140

  • 142

  • 144

  • 144

117 Views

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59.

If a = 2,  b = -3 then the value of 27 straight a cubed minus 54 straight a squared straight b space plus space 36 ab squared minus 8 straight b cubed is

  • 1562

  • 1616

  • 1676

  • 1676

95 Views

60.

Possible length of the three sides of a triangle are

  • 2 cm, 3 cm, 6 cm

  • 3 cm,  4cm, 5cm

  • 2.5 cm, 3.5 cm, 6cm

  • 2.5 cm, 3.5 cm, 6cm

151 Views

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