(x+2y) (x² + 4y² – 2xy) equal to- 

What is the value of $$ {2tan53°\over cot37°} -{cot80°\over tan10°}$$ is:

An article is sold at a profit of 20% of its cost price. If cost price and selling price reduces by Rs 10 and Rs. 5 respectively, then the percentage profit increased to 30%. Find the cost price?

$${3x+4y-2z+9=17},{7x+2y+11z+8=23}$$ and $$ {5x+9y+6z-4=18}$$ then what is  the value of $$ {x+y+z-34}$$?

A takes a loan of Rs. 1500 from a bank at the rate of 10% simple interest for 3 years and lends to B at the rate of 15% for the same time period. Find the overall profit of A in the whole transaction.

A right pyramid stands on a rectangular base whose sides are 24 cm and 18 cm and on the shorter side, the slant height is 17 cm. Find the volume of the pyramid.

Direction: Study the following graph carefully and answer the questions that follow:
The graph given below represents the number of users of two broadband services A and B across 5 cities P, Q, R, S and T.

What is the total number of users of brand B across all five cities together?

Area of a circle inscribed in a square is 308 cm².The length of the diagonal of the square is