Get Started with ixamBee
Start learning 50% faster. Sign in now
Let the speed of boat in still water be a km/hr and that of stream be b km/hr. Therefore, 36/(a + b)= 3 ⇒ a + b = 12 ………..(i) 36/(a – b)= 4 ⇒ a + b = 9 ………..(ii) On adding, eq (i) and (ii) ⇒ 2a = 21 km/hr ⇒ a = 10.5 km/hr
The ratio of length to breadth of a rectangle is 7:6. If the sum of the length and breadth of the rectangle is 52 cm, then find the area (cm2...
The ratio of a closed cuboid's length, width, and height is 4: 3: 3. The total surface area of this cuboid is 1056 cm 2 . Find the volume (in...
Length of a rectangle is equal to the side of a square. If area of the square and rectangle is 529 m2 and 299 m2, respectively the...
The angle of elevation of the top of a tower from a point on the ground which is 45 meters. away from the foot of the tower is 30°. The height of the t...
A rectangular swimming pool is 25 meters long, 10 meters wide, and 2 meters deep. Find the cost of tiling the walls and floor at ₹200 per square meter.
Three cubes of metal whose edge are 6cm, 8cm and 10cm. respectively are melted and a single cube is formed. What is the length of the edge of the newly...
A room 20 m long, 16 m broad and 8m high has 2 windows of 1 m and `1(1)/(2)` m and a door of 2m`xx` `1(1)/(2)` m. Find the cost of paper...
An army of 2100 men has provision for 50 days. After 10 days due to injuries some of them left and the food were now enough for next 50 days for remaini...
The total surface area of a cube is given as 486 cm². What is the volume of the cube?
A tank whose length, width and height are 22 metres, 20 metres and 12 metres respectively is completely filled with juice. If the juice costs Rs.5/m
