Question
Seven persons R, S, T, U, V, W and X, live in a
seven-storey building, but not necessarily in the same order. S lives two floors above X. X lives on an odd numbered floor. R lives two floors below X. Three persons live between U and W. V lives above T. V lives adjacent to neither U nor W. U lives above R. Who lives on fourth floor?Solution
The volume of cone is 1900.8 cm3. If its height is 1.4 cm then find the radius of the cone.
Bala travels first one-third of the total distance at the speed of 10 km/h and the next one-third distance at the speed of 20 km/h and the last one – ...
Three circle of diameter 14 cm each, are bound together by a rubber band, as shown in the figure. The length of the rubber band, in cm, if it is stretch...
A boy is supposed to distribute Rs.2400 among his three friends P, Q and R in the ratio of 4:3:5 respectively, but mistakenly he distributed in the rati...
- The base area of a rectangular cistern is 1080 m², and it holds a volume of 32400 m³ of water. What is the depth of the water in the cistern?
If cot x – tan x = 3/2, then what will be the value of cot x + tan x?
Length and breadth of a rectangular field is (x + 7) cm and (x – 6) cm, respectively. If the cost of ploughing the field at a rate of Rs. 6 per cm² i...
If in a ΔABC, AD is internal angle bisector & D is a point on BC, AB = 5cm, BC = 7cm then what is BD:CD?
The radius of the base of a cone is 12 cm, and its height is 16 cm. The cone is melted and recast into smaller cones of radius 3 cm and height 4 cm. How...
The side of a cube is 4m more than the side of a square. If the ratio of lateral surface area of the cube and the area of the square is 9:1, then what w...
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