Important Questions of Simplification Quantitative Aptitude | Zigya

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11.

The simplified value of
open curly brackets open parentheses 1 plus fraction numerator 1 over denominator 10 plus begin display style 1 over 10 end style end fraction close parentheses space open parentheses 1 plus fraction numerator 1 over denominator 10 plus begin display style 1 over 10 end style end fraction close parentheses space minus space open parentheses 1 minus fraction numerator 1 over denominator 10 plus begin display style 1 over 10 end style end fraction close parentheses space open parentheses 1 minus fraction numerator 1 over denominator 10 plus begin display style 1 over 10 end style end fraction close parentheses close curly brackets
divided by open curly brackets open parentheses 1 plus fraction numerator 1 over denominator 10 plus begin display style 1 over 10 end style end fraction close parentheses open parentheses 1 minus fraction numerator 1 over denominator 10 plus begin display style 1 over 10 end style end fraction close parentheses close curly brackets

  • 2

  • 20 over 101
  • 100 over 101
  • 100 over 101
154 Views

12.

The value of
square root of fraction numerator 0.324 space cross times space 0.081 space cross times space 4.624 over denominator 1.5625 space cross times space 0.0289 space cross times space 72.9 space cross times space 64 end fraction end root

  • 0.024

  • 0.24

  • 2.4

  • 2.4

138 Views

13.

The value of 204 x 197 is

  • 40188

  • 40212

  • 39812

  • 39812

175 Views

14.

If 9 to the power of straight x plus 2 end exponent space equals space 240 plus 9 to the power of straight x comma the value of left parenthesis 8 straight x right parenthesis to the power of straight x space is

  • 1

  • -1

  • 0

  • 0

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15.

Instead of multiplying by 25, a student multiplies that number by 52 and gets 324 more than the correct answer. Then that number is

  • 15

  • 12

  • 25

  • 25

107 Views

16.

Simplify;
cube root of negative 2197 end root space cross times space cube root of negative 125 end root space plus space cube root of 27 over 512 end root

  • 492 over 7
  • 520 over 3
  • 554 over 7
  • 554 over 7
324 Views

17.

The value of
fraction numerator 1 over denominator 1 plus square root of 2 end fraction plus fraction numerator 1 over denominator square root of 2 begin display style plus end style begin display style square root of 3 end style end fraction plus fraction numerator 1 over denominator square root of 3 begin display style plus end style begin display style square root of 4 end style end fraction plus fraction numerator 1 over denominator square root of 4 begin display style plus end style begin display style square root of 5 end style end fraction plus fraction numerator 1 over denominator square root of 5 begin display style plus end style begin display style square root of 6 end style end fraction plus fraction numerator 1 over denominator square root of 6 begin display style plus end style begin display style square root of 7 end style end fraction

plus fraction numerator 1 over denominator square root of 7 plus square root of 8 end fraction plus fraction numerator 1 over denominator square root of 8 plus square root of 9 end fraction space is

  • 2

  • 0

  • 4

  • 4

226 Views

18.

In a farm there are cows and hens. If heads are counted they are 180, if legs are counted are 420. The number of cows in the farm is

  • 130

  • 150

  • 50

  • 50

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19.

The value of (11111)2 is

  • 12344321

  • 121212121

  • 123454321

  • 123454321

166 Views

20.

If straight m space equals space square root of 5 plus square root of 5 plus square root of 5 plus.......... end root end root end root
and straight n space equals space square root of 5 minus square root of 5 minus square root of 5 minus................ end root end root end root
then among the following the relation between m and n holds is

  • m - n + 1 = 0

  • m + n - 1 = 0

  • m + n + 1 = 0

  • m + n + 1 = 0

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