The gas used for filling weather balloons is-
Helium is used for filling weather balloons because: 1. Helium gas is lighter than air and it has lesser density as compared to the air. So, we observe that the balloon starts rising upwards and this is because of its less density than air i.e. about one-eighth times lesser than air. 2. It is inert and non-flammable and therefore does not react with air or surroundings or gets explode.
Select the one which is different from the other three responses.
In each problem, out of the four figures marked (1) (2) (3) and (4), three are similar in a certain manner. However, one figure is not like the other t...
After interchanging × and ÷, 7 and 4, which of the following equations becomes correct?
In each problem, out of the four figures marked (1) (2) (3) and (4), three are similar in a certain manner. However, one figure is not like the other t...
Which figure represents the relation amongst lotus, flower and branches?
Choose the figure which is different from the rest.
Select the one which is different from the other three responses.
Find the odd word/ letters/number pair/number from the given alternatives.
If the positions of the first and fifth digits of the number 83591427 are interchanged, similarly the positions of the second and the sixth digits are...
Choose the figure which is different from the rest.