For the following questions answer them individually
The co-ordinates of the centroid of a triangle ABC are (2 , 2). What are the co-ordinates of vertex C if co-ordinates of A and B are (7 , -1) and (1 , 2) respectively?
If ax - 4y = -6 has a slope of -3/2. What is the value of a?
D and E are points on side AB and AC of ∆ABC. DE is parallel to BC. If AD:DB = 1:2 and area of ∆ABC is 45 sq cm, what is the area (in sq cm) of quadrilateral BDEC?
What is the value of √2 Sec 45° + (1/√3)Tan 30°?
Δ XYZ is right angled at Y. If m∠Z = 30°. What is the length of YZ (in cm), if ZX = 9 cm?
If Cos θ = 15/17 , then what is the value of Cosec θ?
The pie chart shows the annual car production (in millions) of six countries (A, B, C. D, E, F). Study the diagram and answer the following questions.
Which country produced the second least number of cars?
Country E produced how many more cars (in %) than country B?
If 35% of the cars produced by these six countries are diesel and the rest are petrol, then how many petrol cars were produced (in millions)?
If on an average the cost price of a car is 30000 USD and environmental tax levied on each car is 2.5% of its cost price, how much environmental tax was collected (in billion USD) from production of cars in these 6 countries?