The distance between the points (2, 7) and (k, -5) is 13. What is the value of k?
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x and y are two numbers such that their mean proportion is 16 and third proportion is 128. What is the value of x and y?
Profit of Rs 187200 has to be divided among three partners Amit, Brijmohan and Chiranjeev in the ratio 1:2:5. How much does Chiranjeev get?
The third proportional of two numbers 4 and 20 is
A cone of radius 3.5 cm and height 27 cm is completely filled with water. This water is emptied into an empty cylindrical vessel of radius 2.1 cm. What will be the height of water in this vessel? (Take π = 22/7)
If (x+1/x) = 5, then the value of 5xx2+5x+1?
If ab+ba=1, then the value of a3+b3 is
A total amount of Rs. 1560 is to be divided among A, B, C such that A gets 50% of what B gets and B gets 20% of what C gets. How much will B get ?