simplification aptitude question and answers -Page 101

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1. A and B have their annual average income Rs. 80,000. B and C have their annual average income Rs. 75,000. C and A have their annual average income Rs. 78,000. The annual income of A is ?
Options
A. Rs. 81000
B. Rs. 82000
C. Rs. 83000
D. Rs. 84000

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2. In the first 10 overs of a cricket game, the run rate was only 3.2. The run rate in the remaining 40 overs to reach the target of 282 runs is
Options
A. 6.4
B. 6.3
C. 6.25
D. 6.5

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3. An army lost 10% of its men in war, 10% of the remaining died due to disease and 10% of the rest were declared disabled. Thus the strength of the army was reduced to 7,29,000 active men. The original strength of the army was
Options
A. 1500000
B. 1000000
C. 1200000
D. 1100000

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4. A man can cover a certain distance in 3 hours 36 minutes if he walks at the rate of 5 Km/hr. If he covers the same distance on cycle at the rate of 24 Km/hr, then the time taken by him in minutes is
Options
A. 40
B. 45
C. 50
D. 55

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7. A complete factorisation of x4 + 64 is
Options
A. (x2 + 8)2
B. (x2 + 8)(x2 - 8)
C. (x2 - 4x + 8)(x2 -4x - 8)
D. (x2 + 4x + 8)(x2 - 4x + 8)

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