Placement Papers - MCQ Practice Questions

Two pipes A and B can fill a tank in 12 hours and 18 hours respectively. If both pipes are opened together, how long will it take to fill the tank?

A shopkeeper marks up goods by 50% and gives a discount of 20%. What is his profit percentage?

If a sequence is 2, 5, 10, 17, 26, what is the next number?

A man's age is 3 times his son's age. After 10 years, his age will be 2 times his son's age. What is the son's current age?

If (a + b)² = 64 and ab = 15, what is a² + b²?

In a class, 60% students passed in Math, 70% passed in Science, and 50% passed in both. What percentage of students failed in both subjects?

Two persons A and B invest Rs. 2000 and Rs. 3000 respectively in a business. If the profit is Rs. 5000, how much profit does A get?

If all birds can fly and all eagles are birds, then all eagles can fly. This is an example of which type of reasoning?

Which option follows the logical pattern? 2-4-6, 3-6-9, 4-8-12, 5-?-?

If APPLE is coded as 1-16-16-12-5, how is ORANGE coded?

Find the odd one out: 121, 144, 169, 196, 220

Which word is most similar in meaning to 'Ephemeral'?

Choose the word that is opposite in meaning to 'Verbose':

What is the main idea of the passage? 'Climate change is altering precipitation patterns worldwide. Regions experiencing increased rainfall face flooding, while others endure severe droughts.'

Identify the error: 'Each of the students are required to submit their projects by Friday.'

Which of the following is NOT a programming paradigm?

Which data structure is best for implementing a queue?

Which of the following sorting algorithms is most efficient for nearly sorted data?

What will be printed? String s1 = new String('Amazon'); String s2 = new String('Amazon'); System.out.println(s1 == s2);

What is the primary purpose of a hash function?