The pie-chart shows Distribution of Special Children Population during the year 1994-96. Study the pie-chart and answer the following questions.
Find the approximate percentage distribution of children with auditory disorder.
The difference between the simple interest and compound interest (compounded annually) on Rs. 40,000 for 3 years at 8% per annum is
If the angle of elevation of a cloud from a point 200 m above a lake is 30o and the angle of depression of its reflection in the lake is 60o. Then the height of the cloud above the lake is
If tan 3 θ, tan 7 θ = 1, then the value of tan(θ+360) is
Radius of the incircle of an equilateral ΔABC of sides 2√3 units is x cm. The value of x is
The circum-centre of a triangle ABC is O. If ∠BAC = 85o, ∠BCA = 75o, then ∠OAC is of
