Aptitude and Reasoning Questions

BD and CE are two medians of the triangle ABC. If EO = 7 cm, then the length of CE is

If a mirror is placed on the line MN, then which of the answer figure is the right image?

The radius of a hemisphere is 21 cm, what is its volume? (Take π = 22/7)

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) Retail shops increasingly want to retain potential buyers.
(II) 10 % of the customers are lost due to out of stock products.

Conclusions:
(I) People don't find their sizes or specific color in stock and then they leave the store without any purchase.
(II) Retailers want maximum footfall to get converted into purchases.

In each of the following question below are given some statements followed by some conclusions. Taking the given statements to be true even if they
seem to be at variance from commonly known facts, read all the conclusions and then decide which of the given conclusion logically follows the given statements.
Statements:
I. All stars are white.
II. All white are moon.
III. No moon is blue.
Conclusions:
I. Some moon are stars.
II. No blue is stars.
III. Some white are stars.
IV. Some blue are white.

If the cost price of 20 books is the same as selling price of 25 books, then the loss percentage is

How many triangles are there in the given figure?

If HOUSE is written as FQSUC , then how can CHAIR be written in that code?