316: The average rate of domestic savings (gross) for the Indian economy is currently estimated to be in the range of
(a) 15 to 20 per cent
(b) 20 to 25 per cent
(c) 25 to 30 per cent
(d) 30 to 35 per cent
317: Those who joined Mahatma Gandhi during the Champaran struggle included
(a) Vallabhbhai Patel and Vinobha Bhave
(b) Jawaharlal Nehru and Rajendra Prasad
(c) Rajendra Prasad and Anugraha Narayan Sinha
(d) Mahadev Desai and Maniben Patel
318: If safe storage is to be ensured, the moisture content of food grains at the time of harvesting should not be higher than
(a) 14%
(b) 16%
(c) 18%
(d) 20%
319: The alpha-particle carries two positive charges. Its mass is very nearly equal to that of
(a) two protons
(b) an atom of helium
(c) sum of masses of two positrons and two neutrons
(d) two positrons as each positron carries a single positive charge
320: Match List I (Oxdiation number) with List II (The element) and select the correct answer using the codes given below this lists:
List I List II
(Oxidation number) (The element)
A. 2 1. Oxidation number of Mn in MnO2
B. 3 2. Oxidation number of S in H2S2O7
C. 4 3. Oxidation number of Ca in CaO2
D. 6 4. Oxidation number of Al in NaAIH4
Codes:
A B C D
(a) 3 4 1 2
(b) 4 3 1 2
(c) 3 4 2 1
(d) 4 3 2 1