A shopkeeper by selling 22 Skechers shoes, earns a profit equal to the selling price of 6 Skechers shoes. His profit percentage is:
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The ratio of two numbers is 3 : 7. If their product is 1344, then what is the sum of both the numbers?
A plane flies a distance of 1800 km in 5 hours. What is its average speed in meters/second?
If a--b = 4 and ab = 45, find the value of a3 - b3
(a – b)2 = a2 + b2 -2ab ⇒ 16 = a2 + b2 – 90 ⇒ a2 + b2 = 106 a3 – b3 = (a – b) (a2 + b2 + ab) ⇒ a3 – b3 = 4 X (106 + 45) ⇒ a3 – b3 = 4 X 151 ⇒ a3 – b3 = 604
If ab+ba=1, then the value of a3+b3 is
Profit of Rs 12,400 has to be divided between three partners A, B and C in the ratio 5:7:8. How much does B get (in Rs)?
In the given figure, O is the centre of the circle and QOR = 50 deg, then what is the value of RPQ (in deg) ?
What is the value of cosec -7π/6?
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