A software engineer has the capability of thinking 100
lines of code in five
minutes and can type 100 lines of code in 10 minutes. He
takes a break for
five minutes after every ten minutes. How many lines of
codes will he
complete typing after an hour?

i have one senario
i have table with 2columns one for primary key another is a
constant value(zero). i have to lookup the table and get the
maximum primary key here i don't have any common column
between source and lookup table(wt table i explained
above)...
table is (i am assuming he didn't give the table)
column1 column2
5 0
2 0
8 0
6 0
3 0
12 0
7 0

DIRECTIONS for Questions 3 and 4: Answer the questions on
the basis of the information given below.
In an examination, there are 100 questions divided into
three groups A, B and C such that each group contains at
least one question. Each question in group A carries 1 mark,
each question in group B carries 2 marks and each question
in group C carries 3 marks. It is known that the questions
in group A together carry at least 60% of the total marks.
DIRECTIONS for Questions 3 and 4: Answer the questions on
the basis of the information given below.
In an examination, there are 100 questions divided into
three groups A, B and C such that each group contains at
least one question. Each question in group A carries 1 mark,
each question in group B carries 2 marks and each question
in group C carries 3 marks. It is known that the questions
in group A together carry at least 60% of the total marks.
If group B contains 23 questions, then how many questions
are there in group C?