Start learning 50% faster. Sign in now
Get Started with ixamBee
Start learning 50% faster. Sign in nowA+B fill in 30 hrs B+C fill in 40 hrs A + C fill in 60 hrs 2(A+B+C) fill in (30×40×60 )/(30×40+ 40×60+60×30) = 40/3 hours Therefore A + B + C fill the tank in 80/3 hours Now, A = (A+B+C) – (B+C) fills in 3/80 - 1/40 = 1/80 = 80 hours Similarly B fills in 3/80 - 1/60 = 1/24 = 48 hours And C fills in 3/80 - 1/30 = 1/240 = 240 hours . Alternate Method: A+B B+C C+A 30 40 60 LCM = 120 4 : 3 : 2 So adding all, 2A+2B+2C = 9 units A+B+C = 4.5 units C = 4.5 - 4 = 0.5 units, B = 4.5 -2 = 2.5 units , A = 4.5-3 = 1.5 units A can fill the tank in = 120/1.5 = 80 hrs B can fill the tank in = 120/2.5 = 48 hrs
If the radius of a circle is 15 cm, then which of the following is true regarding the length of the chord (L)?
The area of a square is 3,600 cm². Find the area of a circle whose radius is (2/3)ᵗʰ of the side of the square. (Use π = 3.14)
A sector of a circle has a central angle of 60°. If the radius of the circle is 14 cm, what is the area of the sector?
If a wheel covers a distance of 2200 cm in 7 rotations, then the diameter of the wheel is?
Two chords of a circle 'PQ' and 'RS' crosses each other at an exterior point 'O'. Determine the length of the chord 'RS' if the chord PQ is 36 cm long, ...
One chord of a circle is given as 18.5 cm. Then the radius (r) of the circle must be:
The circumference of the circle is 198 cm while the length of the rectangle is 12 cm more than the radius of the circle. Find the perimeter of the recta...