Ios Engineer Interview Questions

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You are given 9 balls and they look exactly the same in color and physical appearance. You are also given a scale. To make things easy you are given that one of the balls amongst these 9 balls is heavy. How can you find out which ball is heavy with least number of weighings?
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Mobile Developer (IOS)

Interviewed at AgileAssets

3.7
Sep 29, 2013

You are given 9 balls and they look exactly the same in color and physical appearance. You are also given a scale. To make things easy you are given that one of the balls amongst these 9 balls is heavy. How can you find out which ball is heavy with least number of weighings?

What will be printed after the following code? class TestClass { var aBlock: (() -> ())? = nil let aConstant = 5 init() { print("init") self.aBlock = { print(self.aConstant) } } deinit { print("deinit") } } var testClass: TestClass? = TestClass() testClass = nil
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IOS Developer

Interviewed at Fiverr Inc.

4.1
Feb 8, 2018

What will be printed after the following code? class TestClass { var aBlock: (() -> ())? = nil let aConstant = 5 init() { print("init") self.aBlock = { print(self.aConstant) } } deinit { print("deinit") } } var testClass: TestClass? = TestClass() testClass = nil

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