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Let present age of Suzuka be '8x' years. So, present age of Novita = 8x X 1.375 = '11x' years ATQ; 11x - 8x = 15 Or, 3x = 15 So, x = 5 5 years hence from now, Age of Novita = 11x + 5 = 55 + 5 = 60 years Age of "b' = 8x + 5 = 40 + 5 = 45 years Required ratio = 60:45 = 4:3
If √̅1̅2̅-̅2̅√̅3̅5̅ + √̅8̅+̅2̅√̅1̅5̅ = √a + √b, where a and b are positive integers, then the value o...
A rectangular plot has an area of 490 m². If the length of the rectangular plot is 24.5 m. Find the perimeter of the rectangular plot.
<p><p>The number of students in a school is 4217. If the ratio between boys to girls is (x+5) : (x+8), then find the value of x.&...
Area of a rectangle is equal to the total surface area of a hemisphere having volume 9826 cm³ . Find the perimeter of the rectangle if its length is 12...
The volume and height of a cylinder are 4224 cm3 and 21 cm. Find the radius of the cylinder.
A closed wooden box of uniform thickness has length, breadth and height 20cms, 16cms and 12 cms respectively. If the thickness of the wooden block is 2 ...
A rectangular lawn is 60 meters X 50 meters and has two roads, each 2 meters wide, in the middle of it, one parallel to its length and the other paralle...
If (x² + 1/x2) = 4, which of the options below is a possible value of x² - 1/x2?
The area of a square field is 4050 sq m. How long in seconds will a lady take to cross the field diagonally at the rate of 4.5 km/hr?
A rectangular water tank is 80 m x × 40 m. Water flows into it through a pipe of 40 sq.cm at the opening at a speed of 10 km/hr. The water level will ...
