Bank Exam Government Jobs Exams Numerical Ability Averages

A person sold a Tubelight at Rs.85.25 in such a way that his percentage profit is the same as the cost price of the Tubelight. If he sells it at twice the percentage profit of his previous percentage of the profit then the new selling price will be

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180.025
solve karo ans maat dhundo
8 years agoHelpfull: Yes(0) No(2)

115.5 rupees
Explanation :
Cp = x
Sp = x+(x2/100) = 85.25
x2+100x-8525 = 0
(x+155)(x-55) = 0
X = 55
Now sp = 55+(55×110)/100 = 55+60.50 =115.5
8 years agoHelpfull: Yes(0) No(0)

Bank Exam Other Question

p=2q and q=r*r p is odd and q is even.so r is even or odd the speed of boat A is 2 km/h less than the speed of the boat B. the time taken by boat A to travel a distance of 20 km downstream is 30 min more than time taken by B to travel the same distance downstream. If the speed of the current is 1/3rd of the speed of the boat A, what is the speed of boat B?