EASY
RRB JE CBT 1
IMPORTANT
Earn 100

Which of the following allotropes of carbon is used as a reducing agent in metallurgy?
(a)Coke
(b)Carbon black
(c)Charcoal
(d)Graphite

50% studentsanswered this correctly

Important Questions on Practice Set
MEDIUM
RRB JE CBT 1
IMPORTANT
If , then the value of

EASY
RRB JE CBT 1
IMPORTANT
Simplify the following:

EASY
RRB JE CBT 1
IMPORTANT
Find the compound interest on Rs at per annum for years?

EASY
RRB JE CBT 1
IMPORTANT
Find the odd number/letters/word/figure from the given alternatives.

MEDIUM
RRB JE CBT 1
IMPORTANT
What is the age of elder sister, if the sum of ages of sisters born at the intervals of years each, is years?

EASY
RRB JE CBT 1
IMPORTANT
In the following alphanumeric series, one term is missing as shown by the question sign(?). Select the missing term from the given options.

EASY
RRB JE CBT 1
IMPORTANT
If , then

EASY
RRB JE CBT 1
IMPORTANT
There was a group of six students who took a test. Another student joined the group after taking the test later. With her marks included, the average score of the group went up by .
This student has got ______ marks more than the average marks without her being included.
