The volume (in cu.cm.) of a right circular cylinder with radius 1 cm and height 2 cm on is: (Take π = 22/7)
Volume of cylinder =πr² h = 22/7 x (1)² x 2 = 44/7 cubic cm
If ∆ ABC~∆ FDE such that AB = 9 cm, AC = 11 cm, DF = 16 cm and DE = 12 cm, then the length of BC is:
A sold a mobile phone to B at a gain of 25% and B sold it to Cat a loss of 10%. If C paid 5625 for it, how much did A pay (in) for the phone?
The average height of two men P and Q is 167 cm. Another man R Joins them and the average height of P, Q and R becomes 162 cm. If another man S whose h...
There is a rectangular paper, whose length and breadth are in the ratio 7:8, respectively and it has a perimeter of 60 metres. If a triangular piece wit...
The mean proportional of a and b is c. What is the mean proportional of a2 c and b2 c?
Find the volume of a right circular cone having diameter 14 cm and height 3cm.
The ratio of the length to the breadth of a rectangle is 5:7. If the sum of the length and breadth of the rectangle is 60 cm, find the area (in cm²) of...
A trapezium has parallel sides of lengths 10 cm and 20 cm, and its height is 8 cm. Find the length of the diagonal if the diagonals are equal.
A man distributes 10%, 18% and 22% of his salary into his three children who spend 40%, 60% and 25% of that amount respectively. The difference between ...
The volume of a solid cube is 1331 m3. If whole cube is to be painted at a rate of Rs. 4.5 per m2, then what will be the cost of p...
