1. If a coin is so unbalanced that there are 2 consecutive Heads as to 1 Tails. What is the probability of getting Tails in a single toss?
( 6 marks)
2. Continue the series
0, 1, 10, 11, 100, 101, 110, 111, ......
(4 marks)
Ans: binary series, 1000, 1001, 1010, 1011, .....
3. A boy visits a shop and purchases something. The girl at the shop gives him the change against the purchase.
Placing some money on the table, Boy says "This is all she gave everything but 35 cents which is the cost of the item that i purchased"
Mother says " She wont last in that shop for long. She has given you exactly twice the amount that should have been given. She has made dollars into cents and cents into dollars."
What is the exact amount written on the check?
(6 marks)
4. A and B have certain number of dollars. If you square the number of dollars present with A and add to that of B you get 62. If you square the number of dollars present with B and add to that present with A you get 176. Find the exact number of dollars present with A and B.
(6 marks)
Ans. 7 and 13
5. 1 problem on hockey matches. 4 teams are there, given the points table, and some other data like goals for, goals against, etc, you need to find the outcome of the match A vs C.
(8 marks)
6. 1 question of analytical arrangements. in a hostel there are 5 5 students in 5 rooms who study 5 subjects . Tabulate all the data in order, given the clues.
(10 marks)
7. 4 pple are playing with a ball and they break the glass of a house. 4 pple make four comments. one of them speaks the truth. Identify the culprit.
(5 marks)
8. Husband made a purchase of certain drapes for some money less that 10$ at a discouted rate. Wife also makes a purchase in cents and she pays $2 and 35 cents more. How many items did each of them purchase.
(this question was very difficult to understand and formulate)
(5 marks)
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