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In certain code, the symbol for 0 (zero) is  and for 1 is . There are no other symbols for all other numbers greater than one. The numbers greater than 1 are to be written only by using the two symbols given above. The value of the symbol for 1 doubles itself every time it shifts one place to the left.
Study the following examples:
0 is written as i1
1 is written as i2
2 is written as i3
3 is written as i4
4 is written as i5 and so an
Which of the following is the average of and i1 i1?
(a) i1 i5
(b) i3 i3 i2
(c) i4 i1 i3
(d) i3 i3 i1
(e) None of these

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TCS Other Question
Anurag borrows a total sum of Rs. 8,000 from two banks A and B. Bank A lends at 12% per annum and bank B lends at 10% per annum both at simple interest. After two years he paid a total interest of Rs. 1,816. What sum did Anurag borrow from bank A?
option
(a) 9.25
(b) 924.1
(c) 9.441
(d) 950.1
(e) None of these
 Each of the 8 question on a multiple choice test have 3 possible answers to them. If all questions are answered, in how many ways can the test be completed?
option
(a) 5981
(b) 6561
(c) 4859
(d) 7152
(e) None of these