Aptitude and Reasoning Questions

If the perimeter of a semicircle is 108 cm, then find its area (in cm²).

Abhishek marks the price of his laptop 60% above the cost price. If he gives a discount of 30% on the marked price, then what is the profit percentage?

In the question, a word is represented by only one set of numbers as given in any one of the alternatives. The sets of numbers given in the alternatives are represented by two classes of alphabets as in two matrices given below. The columns and rows of Matrix I are numbered from 0 to 4 and that of Matrix II are numbered from 5 to 9. A letter from these matrices can be represented first by its row and next by its column, e.g., 'E' can be represented by 14, 31, etc. and 'R' can be represented by 78, 89 etc. You have to identify the set for the word 'LAND'.

If x = 1.1, then what is the value of 4x2 -4x + 1 ?

Working 5 hours a day, Shivam can read a book in 24 days. How many hours a day should he work so as to finish the same work in 8 days?

The following pie diagram gives the marks scored by a student in different subjects- English , Hindi , mathematics , science and social science in an examination . Assuming that the total marks obtained for the examination are 540 , answer the question

The difference of marks between English and Science is the same as between

Find the common factor of 3757+ 4357 and 3737+ 4337

Two numbers are 10% and 20% lesser than a third number respectively. By how much percent is the second number should be enhanced to make it equal to the first number?