The value of  1-151-161-17....1-1100 is  fro

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 Multiple Choice QuestionsMultiple Choice Questions

11.

Two numbers are in the ratio 3:4. The product of their HCF and LCM is 2028. Then sum of the number will be

  • 72

  • 86

  • 68

  • 91


12.

If a*b=(a X b)+ b,then 5*7 is equal to

  • 35

  • 42

  • 12

  • 59


13.

An article is sold at 20% profit. If its cost price is increased by 50 and at the same time if its selling price is also increased by 30, the percentage of profit decreased by 313%,then the cost price is

  • 851
     

  • 852

  • 850

  • 853


14.

The minimum value of (x-2)(x-9)

  • 494

  • 0

  • 114

  • -494


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15.

If a3=b2=c1, thena+b+2cb

  • 3.8

  • 4

  • 3.5

  • 5


16.

Find the value of for which equation x - Ky =2, 3x + 2y = -5 , has unique solution.

  • K-23

  • K=23

  • 23

  • K=-23


17.

A can do a work in 6 days. B takes 8 days to complete it. C takes as long as A and B would take working together. How long will it take B and C to complete the work together?

  • 112days

  • 4 days

  • 5 days

  • 225 days 


18.

If amn= amn, then the value of m is

  • 1n-1

  • nn

  • n-1

  • n1n-1


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19.

The value of  1-151-161-17....1-1100 is 

  • 125

  • 150

  • 0

  • 1100


A.

125

Consider :1-151-161-17...1-1100

solving brackets we get  455667....99100

=4100

=125


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20.

In what time will the simple interest be 25of the principal at 8 % per annum?

  • 7yr

  • 5yr

  • 8yr

  • 6yr


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