Number System

Find the remainder when (123456.....20) is divided by 8 ?

• 1

• 2

• 0

• 3

• 4

'One' is ?

• Prime number

• Composite number

• Both (a) and (b)

• Neither (a) nor (b)

How many keystrokes are needed to type numbers from 1 to 1000 on a standard keyboard?

• 2889

• 2880

• 1000

• 2893

• 2890

How many times the keys of a type writer have to be pressed in order to write numbers from 121 to 1346 ?

• 3675

• 4018

• 4021

• 4025

• 4020

123456........................................28342835

how many digits?

• 10233

• 10133

• 10230

• 10241

1234567....................................(221digits)

Find last 5 digits?

• 10910

• 10911

• 10810

• 10812

• 10810

12345678..........................................(538digits)

Find last 5 digits ?

• 21421

• 21521

• 32142

• 42152

N=12345678..............................(283digits)

Find the remainder when 'N' is divided by 125 ?

• 1

• 51

• 11

• 2

• 101

1354650 is divided by 125

Find Remainder?

• 50

• 25

• 75

• 5

• 10

8630809136 is divided by 16

Find Remainder?

• 11

• 2

• 1

• 0

• 3