A money lender lends â‚¹ 400/- for 3 years t

Subject

Quantitative Aptitude

Class

SSCCGL Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

51.

square root of 9 plus 2 square root of 16 plus cube root of 512 end root space equals space ?

  • 6

  • 5

  • 2 square root of 8

  • 3 square root of 6

99 Views

52.

The lengths of diagonals of a rhombus are 24 cm and 10 cm, the perimeter of the rhombus (in cm) is:

  • 52

  • 56

  • 68

  • 72

70 Views

53.

A dishonest shopkeeper professes to sell goods at his cost price but uses a false weight of 950 gm for each kilogram. His gain percentage is:

  • 2 1 over 8 percent sign

  • 5 5 over 19 percent sign

  • 10%

  • 2 4 over 11 percent sign

66 Views

54.

Ratio of A's age to B's age is 4 : 3. 'A' will be 26 years old after 6 years. The age of B now is:

  • 2 years

  • 12 years

  • 21 years

  • 15 years

73 Views

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55.

If the Arithmetic mean of 7, 5, 13, x and 9 is 10, then the value of x is

  • 10

  • 12

  • 14

  • 16

64 Views

56.

A man sells an article at 15% profit. If he had sold it for â‚¹ 6/- more, he would have gained 18%. The main bought the article for

  • 100

  • 150

  • 200

  • 250

62 Views

57.

A' salary was decreased by 50% and subsequently increased by 50%. How much percent does he lose?

  • 25%

  • 50%

  • 12 1 half percent sign

  • No loss

77 Views

58.

A car moving in the morning fog passes a man walking at 4km/h in the same direction. The man can see the car for 3 min and visibility is upto a distance of 130 m. The speed of the car is:

  • 7 3 over 5 km divided by hr

  • 6 3 over 5 km divided by hr

  • 7 km/hr

  • 5 km/hr

242 Views

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59.

A money lender lends â‚¹ 400/- for 3 years to a person and lends â‚¹ 500/- for 4 years to the other person at the same rate of simple interest. If altogether he receives â‚¹ 160/- as interest, what is the rate of interest per annum?

  • 5%

  • 7%

  • 9%

  • 10%


A.

5%

Let the rate of interest  = r%
According to the question,
  160 space equals space fraction numerator 400 space cross times space 3 space cross times space straight r over denominator 100 end fraction space plus space fraction numerator 500 space cross times space 4 space cross times space straight r over denominator 100 end fraction
160 space equals space 12 straight r space plus space space 20 straight r
160 space equals space 32 straight r
space space straight r space equals space 160 over 32
therefore space space straight r space equals space 5 percent sign

75 Views

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60.

If straight x space equals space fraction numerator 1 over denominator left parenthesis square root of 2 plus 1 right parenthesis end fraction comma then the value of x2 + 2x - 1 is

  • 2 square root of 2

  • 4

  • 0

  • 3

49 Views

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