EASY
RRB NTPC CBT 1
IMPORTANT
Earn 100

What will be replaced by in the number to make it divisible by ?
(a)
(b)
(c)
(d)

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Important Questions on Number System
EASY
RRB NTPC CBT 1
IMPORTANT
Find the unit digit in the expression,

EASY
RRB NTPC CBT 1
IMPORTANT
In Hindu-Arabic system, is equal to:

EASY
RRB NTPC CBT 1
IMPORTANT
Find the value of .

EASY
RRB NTPC CBT 1
IMPORTANT
What is the face value of in ?

EASY
RRB NTPC CBT 1
IMPORTANT
What is the place value of in ?

EASY
RRB NTPC CBT 1
IMPORTANT
Which of the following is irrational?

EASY
RRB NTPC CBT 1
IMPORTANT
Which of the following is a prime number?

EASY
RRB NTPC CBT 1
IMPORTANT
Which of the following pair is a co-prime?
