khalifa university Interview Questions

2/3 of corckery(plates) are broken, 1/2 have someother thing(handle) broken , 1/4 are both broken and handle broken. Ultimately only 2 pieces of corckery were without any defect. How many crockery were there in total.

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A rectangular water tank is 80 m × 40 m. Water flows into it through a pipe 40 sq. cm at the opening at a speed of 10 km/hr. By how much, the water level will rise in the tank in half an hour
A. 9/8 cm
B. 7/8 cm
C. 6/8 cm
D. 5/8 cm

194 viewsAdmin Changed status to publish November 24, 2021Aptitude Volume and Surface Area

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The owner of a hobby store needed to calculate the percentage of customers who purchase wood glue. Upon completing his survey, he noticed that 60% of the people that entered his store purchased an item. Of those customers, 15 percent purchased wood glue. What percent of the people that entered the store purchased wood glue?

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If a : b = 4 : 1, then find (a – 3b)/(2a – b).
A. 5/6
B. 5/7
C. 5/8
D. 5/9

477 viewsAdmin Changed status to publish January 1, 2022Aptitude Ratio and Proportion

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If six persons sit in a row, then the probability that three particular persons are always together is -.
A. 1/5
B. 1/10
C. 1/15
D. 1/20

212 viewsAdmin Changed status to publish January 3, 2022Aptitude Probability

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A leak in the bottom of a tank can empty the full tank in 6 hours. An inlet pipe fills water at the rate of 4 liters per minute. When the tank is full in inlet is opened and due to the leak the tank is empties in 8 hours. The capacity of the tank is?

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A certain number of men can finish a piece of work in 10 days. If however there were 10 men less it will take 10 days more for the work to be finished. How many men were there originally?(a) 110 men(b) 130 men(c) 100 men(d) none of these

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(44.99)² – (15.01)² = ?
A. 1400
B. 1600
C. 1800
D. 2000

234 viewsAdmin Changed status to publish December 24, 2021Aptitude Fractions and Decimals

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The next number in the series 0, 7, 26, 63 is
A. 124
B. 148
C. 195
D. 255

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At what time between 9&10 will the hands of a watch be together?
A. 47 min past 9
B. 48 min past 9
C. 49 1/11 min past 9
D. 45 min past 9

209 viewsAdmin Changed status to publish December 31, 2021Aptitude Time and Clock

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A boat takes 90 minutes less to travel 36 miles downstream than to travel the same distance upstream. If the speed of the boat in still water is 10 mph, the speed of the stream is:

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Two pipes X and Y can fill a tank in 20 and 30 minutes respectively. If both the pipes are used together, then how long will it take to fill the tank?

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9 balls are there one of them is of higher wt and remaining all are of same. given is one weighing scale and you can use it two times. How will you find the heavy ball in two trials only.

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225 : 400 :: 625 : __

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√169/65 = 1/?
A. 3
B. 5
C. 7
D. 9

576 viewsAdmin Changed status to publish January 1, 2022Aptitude Simplification

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