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Number System || 11.02.2021

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Question 1

Find the simplified value of is.

Question 2

If A = (1/0.4)+(1/0.04)+(1/0.004)+…up to 8 terms, then what is the value of A?

Question 3

What is the value of up to 9 terms?

Question 4

Find the total no. of digits required to write the counting from 1 to 867.

Question 5

If upto 20 terms, then what is the value of A?

Question 6

The number 'N', whose Square is equal to the difference between the squares of 825 and 495

Question 7

If  then what is the value of x?

Question 8

if x,y,z are three distinct positive real numbers such that x+y+z=1,

then the possible integer value of ()()().

Question 9

If and
, then what is the value of ?

Question 10

What is the unit digit of: 15 + 25 + 35 + .... + 20?
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