Placement Papers - MCQ Practice Questions

If a shopkeeper marks up goods by 40% and gives a discount of 20%, what is the net profit percentage?

A man deposited Rs. 5000 at 8% per annum compound interest. What will be the amount after 2 years?

If x^2 - 5x + 6 = 0, what are the values of x?

A number is increased by 30% and then decreased by 20%. What is the net change?

If A : B = 2 : 3 and B : C = 4 : 5, what is A : B : C?

Look at this series: 2, 6, 12, 20, 30, ? What comes next?

A, B, C, D are four friends. A is taller than B. C is taller than D. B is taller than D. Who is the shortest?

Which number should replace the question mark? 3, 5, 9, 17, 33, ?

If COMPUTER is coded as DPNQVUFS, how is REASONING coded?

In a code, FAST = 6-1-19-20. How would SHORT be coded?

Identify the error in: 'The team were playing good football yesterday.'

In Java, which keyword is used to prevent inheritance?

What is the main difference between ArrayList and LinkedList in Java?

In CSS, what does the 'z-index' property control?

If 30% of a number is 45, what is the number?

Two numbers are in the ratio 3:4. If their sum is 70, what are the numbers?

What is the GCD of 24 and 36?

A vendor purchases apples at Rs. 50 per dozen and sells at Rs. 5 per apple. What is the profit percentage?

What is the time complexity of binary search algorithm?

A train travels from City A to City B at 60 km/h and returns from B to A at 40 km/h. If the total journey time is 10 hours, what is the distance between City A and City B?