If , then the value of  is from Quantitative Apti

Subject

Quantitative Aptitude

Class

SSCCGL Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

51.

If 4 over 5 th of a number exceeds its 3 over 4 th by 8, then the number is:

  • 130

  • 120

  • 160

  • 150

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52.

The rate of discount being given on a shirt, where selling price is Rs. 546 after deducting a discount of Rs. 109/- on its marked price is

  • 14%

  • 18%

  • 15%

  • 16%

44 Views

53.

If the ratio of two numbers is 1 : 5 and their product is 320, then the difference between the square of these two numbers is

  • 1024

  • 1256

  • 1536

  • 1435

65 Views

54.

Number of boys and girls are 'x' and 'y' respectively; ages of a girl and a boy are 'a' years and 'b' years respectively. The average age (in years) of all boys and girls is

  • fraction numerator straight x space plus space straight y over denominator bx space plus space ay end fraction

  • fraction numerator bx plus ay over denominator straight x plus straight y end fraction

  • fraction numerator ax plus by over denominator straight x plus straight y end fraction

  • fraction numerator straight x plus straight y over denominator ax plus by end fraction

53 Views

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55.

A man bought 30 defective machines for Rs. 1,000/-. He repaired and sold them at the rate of Rs. 300 per machine. He got profit of Rs. 150 per machine. How much did he spend on repairs? (in Rs)

  • Rs 5,500

  • Rs 4,500

  • Rs 3,500

  • Rs 2,500

59 Views

56.

x is 5 times longer than y. The percentage by which y is less than x is

  • 50%

  • 40%

  • 80%

  • 70%

70 Views

57.

A motor cycle gives an average of 45 km per litre. If the cost of petrol is Rs. 20 per litre. The amount required to complete journey of 540 km is (in Rs):

  • Rs. 120/-

  • Rs. 360/-

  • Rs. 200/-

  • Rs. 240/-

51 Views

58.

A sum of money amounts to Rs 6,655/- at the rate of 10% compounded annually for 3 years. The sum of money is:

  • Rs 5,000

  • Rs 5,500

  • Rs 6,000

  • Rs 6,100

70 Views

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59.

If x2 - 4x + 1 = 0,   the value of fraction numerator straight x to the power of 6 plus 1 over denominator straight x cubed end fraction space is:

  • 48

  • 52

  • 55

  • 58

45 Views

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60.

If left parenthesis straight a minus 2 right parenthesis space plus space fraction numerator 1 over denominator left parenthesis straight a space plus space 2 right parenthesis end fraction space equals space minus 1, then the value of left parenthesis straight a plus 2 right parenthesis squared space plus space fraction numerator 1 over denominator left parenthesis straight a plus 2 right parenthesis squared end fraction is

  • 7

  • 11

  • 23

  • 27


A.

7

left parenthesis straight a minus 2 right parenthesis space plus space fraction numerator 1 over denominator left parenthesis straight a plus 2 right parenthesis end fraction space equals space minus 1
rightwards double arrow space space straight a space minus space 2 space plus space 4 space plus space fraction numerator 1 over denominator straight a plus 2 end fraction space equals space 4 minus space 1
rightwards double arrow space space space straight a space plus space 2 space plus space fraction numerator 1 over denominator straight a plus 2 end fraction space equals space 3
S.B.S.
rightwards double arrow space space left parenthesis straight a space plus space 2 right parenthesis squared space plus space fraction numerator 1 over denominator left parenthesis straight a plus 2 right parenthesis squared end fraction space plus space 2 space equals space 9
rightwards double arrow space space space left parenthesis straight a space plus space 2 right parenthesis squared space plus space fraction numerator 1 over denominator left parenthesis straight a plus 2 right parenthesis squared end fraction space equals space 9 space minus space 2
rightwards double arrow space space space left parenthesis straight a space plus space 2 right parenthesis squared space plus space fraction numerator 1 over denominator left parenthesis straight a plus 2 right parenthesis squared end fraction space equals space 7

40 Views

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