Azospirillum is micro aerophillic ( it needs less oxygen concentration than aerobic microbes to survive) is used for nitogen fixation in wheat crop.
0.3̅2̅ + 0.54̅8̅ - 0.1̅9̅ is equal to :
A storeroom has only steel and copper rods in the ratio 4:3, respectively and the weight of each steel and each copper rod is in the ratio 5:6, respecti...
A cylindrical tank of 28 cm base radius is partly filled with water. How many bullets of 1cm radius of iron is added in it in order to increase the wate...
The inner radius of a cylindrical pipe is 7 cm. Water flows from this pipe at a speed of 5 km/h and falls into a rectangular tank 100 meters long and 44...
Three metallic cubes whose sides are 15 cm, 20 cm and 25 cm respectively are melted and converted into a single cube. If there is no loss of metal in t...
A hemispherical bowl with an internal radius of 18 cm is full of liquid. This liquid will be filled in cylindrical bottles each radius of 3 cm and heigh...
A giant circular wheel has a diameter of 21 metres. In how many revolutions will the wheel cover a total of 16.5 km?
After increase in sugar prices by 20%, a person is able to buy 2 kg less sugar for Rs. 540. Find the original and increased price of sugar per kg.
...The volume of cone is 1320 cm3. If its height is 1.4 cm then find the radius of the cone.
If (x² + 1/x2) = 4, which of the options below is a possible value of x² - 1/x2?
