lf half of a number is equal to 0.07 times of another number, the

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101.

lf half of a number is equal to 0.07 times of another number, then their ratio will be

  • 50 : 7

  • 5 : 7

  • 7 : 50

  • 1 : 14


C.

7 : 50

 Let the required numbers are x and yAccording to the question,12of x = 0.07 of y x2 = 7y100 x2 = 750 = 7 : 50


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102.

If a + b +c = 0, then a4 + b4 +c4a2b2 + b2c2 + c2a2 = ?

  • 4

  • 2

  • 1

  • 16


103.

If a : b = 4 : 5, b :c = 6 : 9, c : d = 15 : 19, then a : b : c : d is

  • 8 : 10 : 15 : 19

  • 10 : 11 : 15 : 19

  • 8 : 9 : 15 : 19

  • 19 : 15 : 6 : 8


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