Question
If a positive number is decreased by 5, then it becomes
equal to the 24 times of the reciprocal of the original number. What is the original number?Solution
Let the positive number be x. x – 5 = 24/x x2 – 5x – 24 = 0 x2 – 8x + 3x – 24 = 0 x(x – 8) + 3(x – 24) = 0 (x + 3)(x – 8) = 0 x = -3, 8 x = 8
- Which of the following options represents a file extension used for image files?
In a triangle, the inradius is 6 cm, the circumradius is 9 cm, and the area is 54 cm². What is the semiperimeter of the triangle?Â
The perimeter of 4 squares is 20 cm, 32 cm, 36 cm and 40 cm respectively. What will be the area of the square having perimeter equal to sum of edges of ...
From a group of 7 men and 4 women, a committee of 4 persons is to be formed. The probability that the committee has at least one woman is:
From the top of a tower 60 meters high, the angle of depression of two points on the ground on opposite sides of the tower are 30° and 60°. Find the d...
What will be come in place of (?) in the given number series.
1, 8, 27, ?, 125, 216In a cyclic quadrilateral ABCD, the diagonals AC and BD intersect at E. If ∠AEC = 120° and ∠BED = 30°, what is the measure of ∠ADB?Â
...In a 500-meter race, competitor 'P' runs at a speed of 18 km/h and allows a head start of 25 meters to competitor 'Q,' who eventu...
(749.98% of 639.897) ÷ 23.97 = ?2 - 279.98% of 19.99
Find the equation if a point P(x, y) is equidistant from A(7, 3) and B(-3, 7).
Relevant for Exams:
