Question
If in a certain code language ‘+’ represents
‘×’, ‘–’ represents ‘+’, ‘×’ represents ‘÷’ and ‘÷’ represents ‘–’. Find out the value of ‘82 ÷ 25 × 5 ÷ 4 + 11’.Solution
82 ÷ 25 × 5 ÷ 4 + 11 82 – 25 ÷ 5 – 4 x 11 82 – 5 – 4 x 11 82 – 5 – 44 = 33
The minute hand of a watch is 2 cm long. How far does its tip move in 45 minutes? (use π = 3.14)
Determine the co-ordinates of the point where the line through the points A (3, 4, 1) and B (5, 1, 6) crosses the XY- plane?
Find the Perpendicular distance between two lines
6x + 8y = 18, 12x + 16y =20
Find the coordinates of the centroid of the triangle with vertices A(1, 2), B(4, 6), and C(7, 8).
- What is the reflection of the point (8, -5) in the line y = 2?
If points A(–2, 3) and B(4, –3) are ends of a diameter, find equation of the circle.
Find the co-ordinate of the centroid of a triangle whose vertices are (1,3), (2,1) and (2,5)?
Find the area of triangle formed by lines 4x-6y=24 x-axis and y-axis?
Find the co-ordinate of a point which divides the join of (3,2) and (3,2) internally in the ratio of 2:3?
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