Aptitude and Reasoning Questions

The total surface area of a hemisphere is 462 sq.cm. Find its diameter (in cm).

Select the missing number from the given responses.

In the following question, two statements are given each followed by two conclusions I and II. You have to consider the statements to be true even if they seem 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) Happiness is around everyone, we have to find it.
(II) Happiness is a state of mind. If we can't find it, we should create it.

Conclusions:
(I) Creation of happiness itself makes an individual satisfied and happy because creativity is constructive.
(II) It's all about analyzing the situational factors to understand happiness.

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it ?

LM_L_NL_N_M_

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

7, 13, 21, 31, 43, 57, ?

In the question below are given three statements followed by two conclusions which are numbered as I, and II. You have to take the given statements to be true even if they seem to be at variance with commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements, disregarding commonly known facts.

Statements:
Some pages are papers.
No page is a book.
All books are pencils.

Conclusions:
I. All books can never be papers.
II. All pencils are papers is a possibility.

In a certain code, if ZIGZAGGING is written as AZGIZGNIGG, then how will BLIZZARDLY be written as in the same code?

Simple interest on a sum of Rs 50200 for 3 months is Rs 1380.5. What is the rate (in percentage) of interest per annum?