Basic Numeracy/Quantitative Aptitude

1087. In a box, there are 8 red, 7 blue and 6 green balls. One ball is picked up randomly. What is the probability that it is neither red nor green?

	(a) 1/3
	(b) 3/4
	(c) 7/19
	(d) 8/21

1088. What is the probability of getting a sum 9 from two throws of a dice?

	(a) 1/6
	(b) 1/8
	(c) 1/9
	(d) 1/12

1089. A boat covers a certain distance downstream in 1 hour, while it comes back in 1 hours. If the speed of the stream be 3 kmph, what is the speed of the boat in still water?

	(a) 12 kmph
	(b) 13 kmph
	(c) 14 kmph
	(d) 15 kmph

1090. In a camp, there is a meal for 120 men or 200 children. If 150 children have taken the meal, how many men will be catered to with remaining meal?

	(a) 20
	(b) 30
	(c) 40
	(d) 50

1091. In Jessica's opinion, her weight is greater than 65 kg but less than 72 kg. Her brother doest not agree with Jessica and he thinks that Jessica's weight is greater than 60 kg but less than 70 kg. Her mother's view is that her weight cannot be greater than 68 kg. If all are them are correct in their estimation, what is the average of different probable weights of Jessica?

	(a) 67 kg
	(b) 68 kg
	(c) 69 kg
	(d) Data inadequate

TOTAL

Detailed Solution

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