The difference between the greatest and least five-digit numbers

Subject

Quantitative Aptitude

Class

SSCCGL Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

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51.

The difference between the greatest and least five-digit numbers formed by the digits 2, 5,0, 6, 8 is (repetition of digits are not allowed)

  • 69552

  • 65925

  • 65952

  • 65952


C.

65952

The difference five digit number formed by the digits 2, 5, 0, 6 and 8 = 86520
The least five digit number formed by the digits 2, 5, 0, 6 and 8 = 20568
therefore Required difference  = 86520 - 20568
                                  = 65952

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52.

The price of a shirt after 15% discount is ₹ 119/- What was the market price of the shirt before discount?

  • ₹ 129

  • ₹ 140

  • ₹ 150

  • ₹ 150

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53.

If fraction numerator straight a over denominator straight q minus straight r end fraction equals space fraction numerator straight b over denominator straight r minus straight p end fraction equals fraction numerator straight c over denominator straight p minus straight q end fraction, then the value of pa + qb + rc is

  • 0

  • 1

  • 2

  • 2

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54.

The average of a, b, c is 20 and that of b, c, d is 25; if d = 30, then the value of a is

  • 25

  • 45

  • 30

  • 30

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55.

A store sells a watch for a profit of 25% of the cost. Then the percentage of profit against selling price is

  • 22%

  • 20%

  • 18%

  • 18%

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56.

If A is equal to 20% of B and B is equal to 25% of C; then what percent of C is equal to A?

  • 10%

  • 15%

  • 5%

  • 5%

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57.

A gun is fired at a distance of 1.7 km from Ram and he hears the sound after 25 seconds. The speed of sound (in m/sec) is

  • 60

  • 62

  • 64

  • 64

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58.

A sum of ₹ 3,000/- yields an interest of ₹ 1,080/- at 12% per annum simple interest in how many years?

  • 4 years

  • 3 years

  • 5 years

  • 5 years

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59.

The simplest value of fraction numerator 3 square root of 8 minus 2 square root of 12 plus square root of 20 over denominator 3 square root of 18 minus 2 square root of 27 plus square root of 45 end fraction space is

  • 3 over 2
  • 2 over 3
  • 1 third
  • 1 third
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60.

If open parentheses straight a plus 1 over straight a close parentheses squared space equals space 3, then the value of straight a cubed plus 1 over straight a cubed is

  • 0

  • 3 open parentheses straight a plus 1 over straight a close parentheses
  • 3 open parentheses straight a squared plus 1 over straight a squared close parentheses
  • 3 open parentheses straight a squared plus 1 over straight a squared close parentheses
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