A sold a watch to B at a profit of 20%. B sold it to C at 30% profit. C sold it to D at 10% loss. If B's profit is ₹80 more than that of A, then D bought it for:

Find the solution of 5x-7=12? 

The pie graph given here shows the break-up of the cost of construction of a house.

Assuming that the total cost of construction is ₹ 6,00,000, answer the questions.

Break-up of the cost of construction of a house 

The amount spent on labour exceeds the amount spent on steel by 

$$ secA(secA+tanA)(1-sinA)\over (cosec^2A-1)sin^2A$$ is equal to:

Twice the square of a number is three times the cube of other number. What is the ratio between the first number and the second number? 

If $${32÷16-5×2\over 11÷22×8-5×2}={1\over p}$$then what is the value of P?

The area of the base of a right circular cone is 81 cm² and its height is 12 cm. What is the curved surface area (in cm2) of the cone?

Directions :- Refer the graph and answer the given questions.
 The following line graph shows the number of products sold by company A and B during six years.

Out of the total number of products sold by A and B together in 2011, only 20% are defected. What is the total number of defected products sold by A and B together in 2011?