Aptitude and Reasoning Questions

A solid sphere and a solid hemisphere have the same total surface area. The ratio of their volumes is (Take, π=22/7)

Simple interest on a certain sum of money for 3 years at 18% per annum is half the compound interest on Rs. 9000 for 2 years at 10% per annum. The sum placed on simple interest is:

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 from these matrices can be represented first by its row and next by its column. e.g. N can be represented by 01, 14 etc. and A can be represented by 55, 69, etc. You have to identify the set for the word ‘GOOD’.

Find out the odd word/letters/number/number pair from the given alternatives.

A series is given, with one word missing. Choose the correct alternative from the given ones that will complete the series.
Shy, Food, Plate, Recess, ?

In the question two statements are given, followed by two conclusions, I and II. You have to consider the statements to be true even if it seems to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements.

Statement I: All bolts are nails

Statement II: Some screws are bolts

Conclusion I: All nails are screws

Conclusion II: All screws are nails

If there are four lines in a plane, then what cannot be the number of points of intersection of these lines?

Find a two digit number which is exactly three times the product of its digits?