For the following questions answer them individually
If x -Â y = 7 and xy = 32, then value of $$(x^{2} + y^{2})$$ is
A wholesaler sells a watch to a retailer at a profit of 33% and the retailer sells it to a customer at a loss of 20%. If the customer pays Rs 2,181.2, what had it cost the wholesaler?
Product of digits of a 2Âdigit number is 12. If we add 36 to the number, the new number obtained is a number formed by interchange of the digits. What is the number.
 If cosec π/4 -  sin π/3 = x, then the value of x is
A man travels 404 kilometres in partly by rail and steamer. He spends 10 hours more time on steamer. If the speed of the steamer is 30 km/hr and the velocity of rail is 50 km/hr, how much distance does he cover by steamer?
If √$$(sec^2A-1)/secA$$ = x, then the value of x is
A solid right circular cone of radius 4 cm and height 7 cm is put inside a cylindrical vessel of radius 5 cm and height 8 cm. How much water in cubic cm will be required to fill the cylindrical vessel completely?
If the amount received at the end of 2nd and 3rd year at Compound Interest on a certain Principal is Rs 24200, and Rs 26620 respectively, what is the rate of interest?
Two numbers are 50% and 80% lesser than a third number. By how much percent is the second number to be enhanced to make it equal to the first number?
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