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Let the required number = (LCM of denominator 2 and 5) = 10 According to the question, Wrong answer = 2/5 × 10 = 4 Correct answer = 5/2 × 10 = 25 Required percentage of error = (25-4)/25 × 100 = 84%
(175/3)% of the raindrops could have been collected, when 6 cm of rain has fallen on a part of land of area 2 km2, in a tank having a 200 m &...
The ratio of radius of a circle and side of a square is in the ratio 7:8 respectively. The perimeter of the square is 20 meters more than the perimeter ...
The ratio of a closed cuboid's length, width, and height is 5: 4: 3. The total surface area of this cuboid is 1500 cm². Find the volume (in cm³) of th...
Find the time taken by a pipe, which releases 94.5 m3 of water in a minute to fill an empty cylindrical tank of radius 12 m and height 14 m. ...
Determine the slant height of a cone with a volume of 1,884 cm³ and a base radius of 15 cm. (Use π = 3.14)
A rectangular piece of land has a perimeter of 56 metres and length of 22 metres. If the area of the land is to be divided into 6 equal portions, then w...
A tank whose length, width and height are 22 metres, 19 metres and 10 metres respectively is completely filled with juice. If the juice costs Rs.5/m
Calculate the volume of a sphere whose diameter measures 21 cm. (Take π = 22/7)
The volume of the cylinder is 12320 cm3 is less than the volume of the sphere. The radius of the sphere is 2.625 times the height of the cyli...
The sum of the radius and height of a cylinder is 19m. The total surface area of the cylinder is 1,672 m². What is the volume of the cylinder?
