1871: The Indian patriot, who died in jail due to hunger strike, was:

(a) S. C. Bose

(b) Bhagat Singh

(c) Jatin Das

(d) Bipin Chandra Pal
1872: 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%
1873: Distribution of electric power from one place to another is done at high A.C. voltage because:

(a) Wastage of electricity is minimised

(b) Stealing of electric wires is prevented

(c) Electricity spreads in very short time

(d) It adds brightness
1874: The first great experiment of Gandhiji in "Satyagraha" took place in:

(a) Dandi

(b) Champaran

(c) South Africa

(d) Bardoli
1875: Excessive release of the pollutant carbon monoxide (CO) into the air may produce a condition in which oxygen supply in the human body decreases. What causes this condition ?

(a) When inhaled into the human body, CO is converted into CO2

(b) The inhaled CO has much higher affinity for haemoglobin as compared to oxygen

(c) The inhaled CO destroys the chemical structure of haemoglobin

(d) The inhaled CO adversely affects the respiratory centre in the brain