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We know that, (a - b - c)2 = a2 + b2 + c2 - 2(ab - bc + ca) Or, 36 = a2 + b2 + c2 - 2 X (117) Or, a2 + b2 + c2 = 36 + 234 = 270
The radius of the two cylinders is in the ratio of 1: 4 and their heights are in the ratio of 4: 3. Their volumes will be in the ratio.
In measuring the sides of a rectangle, there is an excess of 14% on one side and 10% deficit on the other. Then the error percent in the area is
The cost of fencing a rectangular field at the rate of Rs. 5/metre is Rs. 450. If the length of the field is 11 metres more than its breadth, then find ...
A tank whose length, width and height are 24 metres, 22 metres and 15 metres respectively is completely filled with juice. If the juice costs Rs.4/m
The average weight of five friends A, B, C, D and E is (x+8) years while the average weight of C and E is (x-8) kg. If the weight of another person F is...
Find the surface area of the smallest cube that can perfectly fit a sphere of volume 7776π cm3 inside it.
A right circular cone & a right circular cylinder have equal base & equal height. If the radius of the base & the height are in the ratio 8:...
A circular park is having the circumference of 110m. A uniform path of width 3.5m has been made around the park. Find the area of this path?
If the sum of the radius and height of a right circular cylinder is equal to three times the radius, what is the height of the cylinder in terms of the...
