By what fraction selling price (S.P.) must be multiplied to get the cost price (C.P.) if the loss is 20% ?
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At what rate of compound interest (in %) per annum will a sum of Rs. 15,000 become Rs. 18,150 in 2 years?
ΔABC is similar to ΔPQR. If ratio of perimeter of ΔABC : perimeter of ΔPQR is 5:9 and if PQ = 45 cm, then the length of AB (in cm) is?
The simplified form of (4x + 3)2 . (3x - 5) - (4x3 - 12x2 + 9x - 20) is
A boy running at 10/9 th of his actual speed covers 39 km in 2 hours 20 minutes and 24 seconds. Find the actual speed of the boy (approx.)
The rate of simple interest per annum at which a sum of money double itself in 16 2/3 yrs is
The diagonal of a square equals the side of an equilateral triangle. If the area of the square is 6√3 sq cm, what is the area of the equilateral triangle?
The cost price of an article is x. It is marked up by 150%. It is sold at Rs 600 after giving 40% discount. What is x (in Rs)?