Number Systems, Progressions

abc is a three digit number. If acb + bca + bac + cab + cba = 3194, then abc =
580
322
802
136
358

Plz share the approach.
A six-digit natural number abcdef becomes defabc upon being multiplied by a natural number. Find the sum of its digits if they are distinct.

please give the approach.
  • 24
  • 36
  • 27
  • 20

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If m-n when divided by 12 gives a remainder 12 and m+n when divided by 6 gives a reamainder 2 and m>n what does m*n when divided by 6 leaves?
QA not available
  • dont know
  • ohhh

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When 58123 and 59059 are divided by a three-digit number N, the same remainder is obtained. How many values can N take?
  • 3
  • 2
  • 6
  • 7

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Hi,


Can anyone help me in solving this ques ?

2^a + b^2 = 100000

I dont know the exact answer.. Pls post the procedure

(6^83+8^83) MOD 49 = ???



Plz explain... Dont have the soln..

What are the last two digits of 164^359

  • 44
  • 64
  • 84
  • 94

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what is the remainder when 792379237923.......upto 400 digits is divided by 101?

  • 99
  • 56
  • 45
  • 3

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288th term of the series ... a, b, b , c, c, c, d, d, d, d ....

  • z
  • w
  • y

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Last two digits of : 817^673

  • None
  • 77
  • 57
  • 37

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https://www.dropbox.com/s/hz6hpe8fkn43x03/Quadretic_1.png

There are 2 sums -
For the first one answer choices 1/16,1/8,1/4,1
Second one- 0,1,2,3





  • Solve and post :slight_smile:

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N=123123.......300 digits .Find the remainder when N is divided by 504?


  • 1
  • 35
  • 412
  • None of these

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Find the remainder of

  • 4
  • 1
  • 2
  • none

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x=123456789101112131415.............9989991000.


Isme digit 5 kitni baar aata hai???


  • I will explain this.

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Find 202nd digit from right in(66666666666......200times)^2

  • 4
  • 6
  • 5
  • 3

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Find the lowest five digit number such that when its divided by 8,12,15 and 20 leaves remainder 5,9,12,17 respectively.

  • 10017
  • 10097
  • 10137
  • none of these
  • 10057

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Q.) A stamp collector puts all his stamps in a new album. If he puts 20 of them in one sheet , there are some left over.If he puts 23 in one sheet , atleast one sheet is left in the album. If he if given another album of the same kind , each sheet holding 21 stamps , he is left with 500 stamps. How many sheets are there in the first album?

  • 11
  • 13
  • 10
  • Data insufficient
  • 12

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What is the remainder when 1!+2*2!+3*3!+....+12*12! is divided by 13?

  • 12
  • 1
  • 11
  • 0

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.find the remainder 5^36 - 1 is divided by 12

  • 12
  • 0
  • 1
  • 3

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If (31.74)^x=(3.14)^y=100^z what is the relation between x y and z?

Its my cat Question of this year..

dont remember thw options exactly..

  • 1/x=1/y+1/z
  • 1/2x=1/y-1/z

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