diff -r e675f9208b91 -r 4054b1a6392d loading-data-from-files/questions.rst
--- a/loading-data-from-files/questions.rst	Wed Oct 13 17:32:23 2010 +0530
+++ b/loading-data-from-files/questions.rst	Wed Oct 13 17:32:59 2010 +0530
@@ -1,17 +1,67 @@
-Objective
----------
+Objective Questions
+-------------------
 
 .. A mininum of 8 questions here. 
 
-1. Question 1
-2. Question 2
-3. Question 3
+1. ``loadtxt`` can read data only from a file with one column
+   only. True or False?
+
+   Answer: False
+
+#. To read a file with multiple columns, into separate simple
+   sequences, ``loadtxt`` is given the additional argument ______?
+
+   Answer: ``unpack=True``
+
+#. We have a file with two columns of data separated by one of the
+   following characters. Which of them doesn't require the delimiter
+   argument to be specified, when using ``loadtxt``. 
+
+   a. ;
+   #. , 
+   #. :
+   #. [space] 
+   
+   Answer: [space]
+   
+#. Given a file ``data.txt`` with three columns of data separated by
+   spaces, read it into one complex sequence. 
 
+   Answer: ``x = loadtxt("data.txt")``
 
-Programming
------------
+#. Given a file ``data.txt`` with three columns of data separated by
+   spaces, read it into 3 separate simple sequences. 
+
+   Answer: ``x = loadtxt("data.txt", unpack=True)``
+
+#. Given a file ``data.txt`` with three columns of data separated by
+   ``:``, read it into one complex sequence. 
+
+   Answer: ``x = loadtxt("data.txt", delimiter=":")``
+
+#. Given a file ``data.txt`` with three columns of data separated by
+   ":", read it into 3 separate simple sequences. 
+
+   Answer: ``x = loadtxt("data.txt", unpack=True, delimiter=":")``
+
+#. To use the loadtxt command, each row should have the same number of
+   values, T or F ?
+
+   Answer: True
+
+Larger Questions
+----------------
 
 .. A minimum of 2 questions here. 
 
-1. Programming Assignment 1
-2. Programming Assignment 2
+1. What will happen if one of the cells is empty?
+
+#. Given a file with 3 columns of data but two different delimiters,
+   what do you think will happen?
+
+#. Read a column with text? 
+
+#. An input file contains 5 columns of data. Use only the second and fourth
+   columns of data and load into two different variables.
+   [hint: read the documentation, use the argument ``usecols``]
+