Question
P, Q, R, S, T, U, and V live on seven different floors
of the same building. The lowermost floor in the building is numbered 1, the floor above it is numbered 2, and so on till the topmost floor is numbered 7. U lives on the top floor. Only two persons live between T and Q. Q is on floor number 3. V lives on the floor immediately above P’s floor. S lives on the floor immediately above R’s floor. Q lives on the floor immediately below R’s floor. Who lives on floor number 6?Solution
The length and breadth of a rectangle are increased by 8% and 5%, respectively. By how much percentage will the area of the rectangle increase?
The volume and height of a cylinder are 4224 cm3 and 21 cm. Find the radius of the cylinder.
A solid hemisphere of diameter 8 cm is placed over a cube whose side is 7 cm. Calculate the total surface area of the combined structure. [Use π = 3]
The perimeter of a square field is 18 cm more than the perimeter of a rectangle. The length of the rectangle is 77 cm which is 350% of its width. If a s...
The average weight of a group of five persons, A, B, C, D, and E is 78 kg. If another person K joins the group then the average weight of the group is d...
The perimeter of a rectangle is 130% more than perimeter of a square of side 10 cm. If the length of rectangle is 250% more than side of square then fin...
The circumference of a circle is equal to the perimeter of a rectangle whose length and breadth are in ratio 9:7, respectively. If the area of the recta...
If the side of square and its area is in the ratio of 1:9 then find its perimeter?
If the diameter of a sphere is 63 cm, then what is the total surface area of the sphere?
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