Question
Seema sold a laptop at a profit of 15%. If she had
bought it at 10% less and sold it for ₹ 2,100 less, she would have gained 20%. What was the cost price (in ₹) of the laptop?Solution
Solution -Let the Cp of Seema’s Laptop=100 Cp P Sp 100 15% 115 90 20% 108 Difference of Sp=115-108=7 ATQ- 7=2100 1=300 CP of laptop =100×300=30000 Rs.
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?
Solve: ∫[2x/(x4+1)] dx
Find the area of the triangle formed by the points A(2, 3), B(-1, -4), and C(5, -2).
A line passes through the point (4, 3) and is perpendicular to the line 3x + 4y = 12. Find the equation of the new line.
If two parallel lines are intersected by a transversal, then which of the options below is not necessarily correct?
The minute hand of a watch is 2 cm long. How far does its tip move in 45 minutes? (use π = 3.14)
Find the Perpendicular distance between two lines
6x + 8y = 18, 12x + 16y =20
