Question
A certain sum of money invested at a rate of 36% p.a.
amounts to Rs. 30417.5 at the end of 15 months if the rate of interest is compounded 5 monthly. Find the sum (in Rs.).Solution
Desired rate = (5/12) × 36 = 15% Let the sum is Rs. ‘P’. So, 1.15 × 1.15 × 1.15 × P = 30417.5 Or, P = 20000
What will be inradius of an equilateral triangle of side 4 cm?
If G is the centroid and AD, BE, CF are three medians of ∆ABCwith area 24 cm 2 , then the area of ∆CGD is?
The lengths of three medians in a triangles are 30 cm, 40 cm, 50 cm. What is the area of that traingle (in cm 2 )?
The 2nd approximation to a root of the equation x2-x-1-0 in the interval (1, 2) by Bisection method will be:
If O is circumcentre of acute angled triangle ABC, if ∠ BOC = 100˚ then ∠BAC = ?
The perimeter of a rectangle is 48 cm, and the ratio of its length to breadth is 3:5. What is the area of the rectangle?
If G is the centroid and AD, BE, CF are three medians of ∆ABC with area 54 cm 2 , then the area of ∆BGD is?
What will be inradius of a right angle triangle whose base is 12 cm & height is 35 cm ?
Determine the difference between an angle and its complementary angle, given that the angle is two-thirds of its complement.
A and B are the centres of two circles with radii 11 cm and 6 cm respectively. A common tangent touches these circles at P & Q respectively. If AB =...
Relevant for Exams:
