The transport of a pair of electrons from NADH to O2 via the electron transport chain produces (A) –52,580 cal (B) –50,580 cal (C) 21,900 cal (D) +52,580 cal

The transport of a pair of electrons from NADH to O2 via the electron transport chain produces (A) –52,580 cal (B) –50,580 cal (C) 21,900 cal (D) +52,580 cal
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A sum of money is divided among Suresh, Ganesh, Vignesh and Mahesh in the ratio of 3 : 4 : 9 : 10 respectively. If the share of Vignesh is Rs.2,580/-more than the share of Ganesh, then what is the total amount of money of Suresh and Mahesh together ? a) Rs. 6,985/- b) Rs. 6,487/- c) Rs. 6,708/- d) Rs. 7,156/- e) Rs. 8,457/-

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