OPCW Interview Questions

Which sport would you like to select as national game cricket or hockey and why

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The difference of two consecutive even numbers squares is 84, then what is the sum of these numbers?

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Would you prefer to stay with family or alone or colleagues?

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A train 240 m long passed a pole in 24 sec. How long will it take to pass a platform 650 m long?

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You have 5 jars of pills. Each pill weighs 10 gram, except for contaminated pills contained in one jar, where each pill weighs 9 gm. Given a scale, how could you tell which jar had the contaminated pills in just one measurement?

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Ajay and Vijay have some marbles with them. Ajay told Vijay “if you give me ‘x’ marbles, both of us will have equal number of marbles”. Vijay then told Ajay “if you give me twice as many marbles, I will have 30 more marbles than you would”. Find ‘x’?

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Some electrical engineering technical queston and some persnal data and completed project details.

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You are given weights of order 1kg 3kg 9kg 27kg 81kg and so on…(powers of 3)A weight of N kg is placed on any one of the empty pans of the balance.You are supposed to add weights to both pans of the balance and make them equal.You can use one weight only once..i.e., you can't use 2 number of 3kg weights.

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A box contains 5 green, 4 yellow and 3 white balls. Three balls are drawn at random. What is the probability that they are not of same colour.
A. 3/44
B. 31/44
C. 41/44
D. 61/44

337 viewsAdmin Changed status to publish November 12, 2021Aptitude Aptitude Probability Concepts

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At what rate percent per annum will the simple interest on a sum of money be 2/5 of the amount in 10 years?

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About family backgroud dependency & daily life routine

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How do you estimate staff requirements?

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Where you worked first

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12 buckets of water fill a tank when the capacity of each tank is 13.5 liters. How many buckets will be needed to fill the same tank, if the capacity of each bucket is 9 liters?

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The LCM of two numbers is 2079 and their HCF is 27. If oneof the numbers is 189, find the other number.
A. 248
B. 128
C. 297
D. 336
E. None of these

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