One factor of 2x2 - 9x - 26&nb

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 Multiple Choice QuestionsMultiple Choice Questions

81.

The students (in Lakh) who appeared and ratio of pass and fail in different cities are given in the following table. Read carefully and answer following question
     
     
City Applicants (in lakh) Ratio of Pass and Fail
A 1.25 7 : 3
B 3.14 5 : 3
1.08 4 : 5
D 2.27 1 : 3
E 1.85 3 : 2
F 2.73 7 : 5

Which city has highest number of failures in exam ?

  • F

  • C

  • B

  • D


82.

Percentage of girls in different school are plotted in following graph. Read carefully and answer following questions

Total number of boys in School T

  • 500

  • 600

  • 750

  • 850


83.

The greatest among numbers 93, 114 and 176 is

  • 93

  • 114

  • 176

  • Cannot be determined


84.

Difference of two natural numbers is always

  • an integer

  • a natural number

  • a whole number

  • a positive number


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85.

One factor of 2x2 - 9x - 26 is

  • x + 1

  • x + 2

  • x + 3

  • x + 4


B.

x + 2

2x2 - 9x - 26  given= 2x2 - 13x + 4x - 26= x2x - 13 + 22x - 13= x + 22x - 13So, x + 2 is the factor of 2x2 - 9x - 26


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86.

HCF of 25, 835, 415 and 625 is

  • 1525

  • 2525

  • 1552

  • 2255


87.

519 × 519 - 81 × 81519 × 519 + 2 × 519 × 81 + 81 × 81 = ?

  • 73200

  • 73100

  • 10078

  • 20073


88.

Faactors of 1 - 1a - b - 2 will be

  • 1 + a - b1 - a + b

  • 1 + a - b1 + a + b

  • 1 +a - b1 - a - b

  • 1 +a +b1 + a +b


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89.

HCF of two numbers is 9 and their LCM is 270. If the sum of the numbers is 99, their difference is equal to

  • 18

  • 15

  • 12

  • 9


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