921: Assertion (A):
West-flowing rivers of Peninsular India have no deltas.
Reason (R):
These rivers do not carry any alluvial sediments.
(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually true but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
922: Which one of the following statements is not correct?
(a) India is the second largest producer of nitrogenous fertilisers in the world
(b) India is the ninth largest steel producing county in the world
(c) India is the second largest producer of silk in the world
(d) India ranks third in the world in coal production
923: Barium in a suitable form is administered to patients before an X-ray examination of the stomach, because
(a) barium allows X-rays to pass through the stomach on account of its transparency to X-rays
(b) barium compound, like magnesium sulphate helps in cleaning the stomach before X-ray examination
(c) barium is a good absorber of X-rays and this helps the stomach to appear clearly in contrast with the other regions in the picture
(d) barium salts are white in colour and this helps the stomach to appear clearly in contrast with other regions in the picture
924: The gas used for artificial ripening of green fruits is
(a) Carbon dioxide
(b) Ethane
(c) Hydrogen
(d) acetylene (ethyne)
925: A person earns Rs. 2000 per month over and above his salary as additional charge allowance. However, 30% of this additional income will be deducted as additional income-tax at source. If the person would deposit Rs. 1000 per month on a long-term saving fetching 12% interest his tax liability on the additional allowance would reduce to 10%. What is the effective interest for this person for money invested in the long-term savings scheme ?
(a) 12%
(b) 18%
(c) 19%
(d) 20%