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Foreign keys can handle deletes and updates.
The handle of a saucepan, 30 cm long and 2 cm in diameter, is subjected to 100 degree Celsius temperature during a certain cooking operation. The average unit surface conductance over the handle surface is 7.35 W/m2 degree in the kitchen air at 24 degree Celsius. The cook is likely to grasp the last 10 cm of the handle and hence the temperature in this region should not exceed 38 degree Celsius. What should be the thermal conductivity of the handle material to accomplish it? The handle may be treated as a fin insulated at the tip
Suppose we are given n keys, m hash table slots, and two simple uniform hash functions h1 and h2. Further, suppose our hashing scheme uses h1 for the odd keys and h2 for the even keys. What is the expected number of keys in a slot? 
In the question below, there are three statements followed by two conclusions. You have to take the given statements to be true even if they seem to be at variance with commonly known facts and then decide which of the given conclusion logically follow(s) from the given statements. Statements: 1. All keys are locks. 2. All locks are screws. 3. All doors are keys. Conclusions: I. All screws are keys. II. Some locks are keys. 
Statements : All the locks are keys. All the keys are bats. Some watches are bats.

Conclusions :
I. Some bats are locks.
II. Some watches are keys.
III. All the keys are locks.
In the following question below are given some statements followed by some conclusions base on those statements. Taking the given statements to be true even if they seem to be at variance from commonly known facts. Read all the conclusions and then decide which of the given conclusion logically follows the given statements. Statements: I. No cycle is handle. II. Some handle are tyre. Conclusions: I. No tyre is cycle. II. Some tyre are handle. III. Some cycle are handle.
The following sentences have been given in a jumbled manner. Un-jumble the sentences and answer the option which describes the order of sentences in a correct manner.  A. India's government is in talks with foreign lenders to provide as much as $14.5 billion in credit to millions of its small firms, two officials said, in a sign, the country's banking system may not be robust enough to do the job on its own B. India's micro, small and medium enterprise(MSME) ministry is discussing the proposal to pull in foreign banks with the country's ministry of finance, which will make a final call. C. The push for foreign loans comes on the heels of the Indian government's announcement earlier this month that it plans to borrow about 700 billion rupees by issuing overseas sovereign bonds. D. The government is in discussions with multiple foreign lenders, including Germany's state-owned development bank KfW Group, the World Bank and some Canadian institutions to extend lines of credit to small enterprises E. One official said that the government plans to source up to 1 trillion Indian rupees of loans from foreign institutions because Indian banks were not in a position to provide enough capital for the small business sector, which is seen as critical to job creation.
The question given below consists of a statement, followed by three arguments I, II and III. You have to decide which of the arguments is/are ‘strong’ arguments is/are ‘weak’ arguments and accordingly choose your answer from the alternatives given below each question. Statement: For users, Facebook's revelation of a data breach that gave attackers access to 50 million accounts raises an important question: What happens next? For the owners of the affected accounts, and of another 40 million that Facebook considered at risk, the first order of business may be a simple one: sign back into the app. Facebook logged everyone out of all 90 million accounts in order to reset digital keys the hackers had stolen - keys normally used to keep users logged in, but which could also give outsiders full control of the compromised accounts.  Which of the following points do not capture the negligence of Facebook in the most appropriate manner? Arguments: I. What Facebook knows so far is that hackers got access to the 50 million accounts by exploiting three distinct bugs in Facebook's code that allowed them to steal those digital keys, technically known as ‘access tokens’. The company says it has fixed the bugs.  II. The hack is the latest setback for Facebook during a tumultuous year of security problems and privacy issues . So far, though, none of these issues have significantly shaken the confidence of the company's 2 billion global users.  III. One of the bugs was more than a year old and affected how the ‘View As’ feature interacted with Facebook's video uploading feature for posting ‘happy birthday’ messages. But it wasn't until mid-September that Facebook noticed an uptick in unusual activity, and not until this week that it learned of the attack.
When inserts, updates and deletes have a _________ write concern, write operations return quickly.
Read the given statements and conclusions carefully and choose which of the conclusions logically follows the statement. Statement: I. All keys are metal. II. Some metals are locks. Conclusion: 1. Some keys are locks. 2. Some metals are keys.