Find the sum of: from Quantitative Aptitude SSC - CGL Year 2013

Subject

Quantitative Aptitude

Class

SSCCGL Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

1.

When 335 is added to 5A7, the result is 8B2. 8B2 is divisible by 3. What is the largest possible value of A?

  • 8

  • 2

  • 1

  • 1

490 Views

2.

The greatest 4-digit number exactly number by 10, 15, 20 is

  • 9990

  • 9960

  • 9980

  • 9980

164 Views

3.

Which one of the numbers is divisible by 25?

  • 303310

  • 373355

  • 303375

  • 303375

175 Views

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4.

Find the sum of:
open parentheses 1 minus fraction numerator 1 over denominator straight n plus 1 end fraction close parentheses space plus space open parentheses 1 minus fraction numerator 2 over denominator straight n plus 1 end fraction close parentheses space plus space open parentheses 1 minus fraction numerator 3 over denominator straight n plus 1 end fraction close parentheses plus...... open parentheses 1 minus fraction numerator straight n over denominator straight n plus 1 end fraction close parentheses

  • n

  • 1 half straight n
  • (n + 1)

  • (n + 1)


B.

1 half straight n
open parentheses 1 minus fraction numerator 1 over denominator straight n plus 1 end fraction close parentheses plus space open parentheses 1 minus fraction numerator 2 over denominator straight n plus 1 end fraction close parentheses plus open parentheses 1 minus fraction numerator 3 over denominator straight n plus 1 end fraction close parentheses space plus...... open parentheses 1 minus fraction numerator straight n over denominator straight n plus 1 end fraction close parentheses
equals straight n minus open parentheses fraction numerator 1 over denominator straight n plus 1 end fraction plus fraction numerator 2 over denominator straight n plus 1 end fraction plus fraction numerator 3 over denominator straight n plus 1 end fraction plus.... fraction numerator straight n over denominator straight n plus 1 end fraction close parentheses
equals space straight n minus fraction numerator straight n left parenthesis straight n plus 1 right parenthesis over denominator 2 left parenthesis straight n plus 1 right parenthesis end fraction space equals space straight n minus straight n over 2 space equals space straight n over 2
135 Views

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5.

In a class there are'z' students. Out of them 'x' are boys. What part of the class is composed of girls?

  • straight x over 2
  • straight z over straight x
  • 1 minus straight x over straight z
  • 1 minus straight x over straight z
226 Views

6.

If the students of 9th class are arranged in a row of 6, 8, 12 or 16, no student is left behind. Then the possible number of students in the class is

  • 60

  • 72

  • 80

  • 80

322 Views

7.

The unit digit in 3 x 38 x 537 x 1256 is

  • 4

  • 2

  • 6

  • 6

255 Views

8.

If a clock strikes appropriate number of times at each hour, how many times will it strike a day?

  • 300

  • 156

  • 68

  • 68

620 Views

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9.

Find the value of:
square root of 30 plus square root of 30 plus square root of 30 plus....... end root end root end root

  • 5

  • 3 square root of 10
  • 6

  • 6

116 Views

10.

The odd term in the sequence
0, 7, 26, 63, 124, 217 is

  • 217

  • 7

  • 26

  • 26

167 Views

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