If the sum of the digits of a three-digit number is subtracted f

Subject

Quantitative Aptitude

Class

SSCCGL Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

1.

Let 0 < x < 1. Then the correct inequality is

  • straight x space less than space square root of straight x space less than space space straight x squared
  • square root of straight x space less than space straight x space less than space straight x squared
  • straight x squared space less than space straight x space less than space square root of straight x
  • straight x squared space less than space straight x space less than space square root of straight x
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2.

Three bells ring at intervals of 36 seconds, 40 seconds and 48 seconds respectively. They start ringing together at a particular time. They will ring together after every

  • 6 minutes

  • 12 minutes

  • 18 minutes

  • 18 minutes

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3.

If the sum of the digits of a three-digit number is subtracted from that number, then it will always be divisible by

  • 3 only

  • 9 only

  • Both 3 and 9

  • Both 3 and 9


C.

Both 3 and 9

Let the 3-digit number be 100x + 10y + z.
Sum of the digits  = x + y + z
According to the question,
  Difference
     = 100x + 10y + z - (x + y + z)
     =  99x + 9y
     = 9(11x + y)
Clearly, it is a multiple of 3 and 9.

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4.

Which of the following is correct?

  • 2 over 3 space less than space 3 over 5 space less than thin space 11 over 15
  • 3 over 5 less than 2 over 3 less than 11 over 15
  • 11 over 15 space less than space 3 over 5 space less than space 2 over 3
  • 11 over 15 space less than space 3 over 5 space less than space 2 over 3
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5.

The greater of the two numbers whose product is 900 and the sum exceeds their difference by 30 is

  • 60

  • 75

  • 90

  • 90

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6.

The smallest fraction, which should be added to the sum of 2 1 half comma space space 3 1 third comma space space 4 1 fourth and 5 1 fifth to make the result as a whole number, is

  • 13 over 60
  • 1 fourth
  • 17 over 60
  • 17 over 60
296 Views

7.

Find the cube root of (-13824). or Find the value of cube root of negative 13824 end root

  • 38

  • -38

  • 24

  • 24

206 Views

8.

The sum of three positive numbers is 18 and their product is 162. If the sum of two numbers is equal to the third number, then the sum of squares of the numbers is

  • 120

  • 126

  • 132

  • 132

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9.

The sum of three consecutive even numbers is 28 more than the average of these three numbers. Then the smallest of these three numbers is

  • 6

  • 12

  • 14

  • 14

389 Views

10.

In a division sum, the divisor 'd' is 10 times the quotient 'q' and 5 times the remainder 'r'. If r = 46, the dividend will be

  • 5042

  • 5328

  • 5336

  • 5336

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