11.Which one among the following rivers flows through rift valley?
 A. Mahanadi
 B. Krishna
 C. Tungabhadra
 D. Tapi
 
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12.Vidyasagar Setu is built on the river:
 A. Hoogly
 B. Brahmaputra
 C. Ganga
 D. Yamuna
 
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13.Optical Fibre was invented in the year:
 A. 1995
 B. 2000
 C. 1955
 D. 2005
 
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14.Who is the Columbus of the space age?
 A. Mithali Raj
 B. Kalpana Chawla
 C. Yuri Gagarin
 D. Leela Seth
 
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15.Which National Highway connects Delhi and Kolkata?
 A. NH-2
 B. NH-4
 C. NH-6
 D. NH-10
 
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16.Amjad Ali Khan is associated with which of the following musical instruments?
 A. Sarod
 B. Violin
 C. Tabala
 D. Sitar
 
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17.The constitutional authority vested with power of declaring Casts and Tribes as Scheduled Casts and Scheduled Tribes is the:
 A. Parliament
 B. Home Minister
 C. President of India
 D. Chairman SC/ST Commission
 
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18.X, Y, Z started a business by investing Rs. 4000, Rs. 8000 and Rs. 10000. ‘X’ withdraws from the business after 6 months and ‘Z’ withdraws after 9 months. At the end of the year the profit is Rs. 1,40,000. What is the share of X, Y, Z in the profit respectively?
 A. Rs. 60,000, Rs. 64,000, Rs.16,000 respectively
 B. Rs.16,000, Rs. 64,000, Rs. 60,000 respectively
 C. Rs. 64,000,Rs. 60,000, Rs.16,000, respectively
 D. None of the above
 
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19.The neutron was discovered by:
 A. Chadwick
 B. Rutherford
 C. Fermi
 D. Bohr
 
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20.Which of the following produces H2 gas, when reacts with acid?
 A. Zn
 B. S
 C. C
 D. H
 
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