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Puzzles Aptitude questions and answers

1
 If the value of x lies between 0 & 1 which of the following is the largest?			(a) x			(b) x2			(c) -x			(d) 1/x				

Answer

(d)
2
A worker is paid Rs.20/- for a full days work. He works 1,1/3,2/3,1/8.3/4 days in a week. What is the total amount paid for that worker ?

Answer

57.50
3
To 15 lts of water containing 20% alcohol, we add 5 lts of pure water. What is % alcohol.

Answer

15%
4
The cost of an item is Rs 12.60. If the profit is 10% over selling price what is the selling price ?

Answer

Rs 13.86/-
5
If PQRST is a parallelogram what it the ratio of triangle PQS & parallelogram PQRST .

Answer

1:2
6
There are two candles of equal lengths and of different thickness. The thicker one lasts of six hours. The thinner 2 hours less than thethicker one. Ramesh lights the two candles at the same time. When he went to bed he saw the thicker one is twice the length of the thinner one. Howlong ago did Ramesh light the two candles .

Answer

3 hours.
7
There is a square of side 6cm . A circle is inscribed inside the square. Find the ratio of the area of circle to square.

Answer

11/14
8
The price of a product is reduced by 30% . By what percentage should it be increased to make it 100%

Answer

42.857%
9
What is the selling price of a car? If the cost of the car is Rs.60 and a profit of 10% over selling price is earned

Answer

Rs 66/-
10
If 9x-3y=12 and 3x-5y=7 then 6x-2y = ?		A.-5		B. 4		C. 2		D. 8		

Answer

D