Question
The average age of a group of 21 persons is found
to be 22 years. Later it is found that age of two of the persons is calculated as 32 and 64 instead of 45 and 9. Find the correct average age of the group.Solution
Required average = {(21 × 22) – 32 – 64 + 45 + 9}/21 = 20 years
Statements :Â
All summers are winters.
Some winters are autumns.
Conclusions :
I. All summers are autumns.
II. Some summers are not autumns.
Statements:
Some laptops are printer.
All printer are camera.
Some camera are scanner.
Conclusions:
I. Some l...
In the question below there are three statements followed by two conclusions I and II. You have to take the three given statements to be true even if t...
Statements: Some girls are boy.
                            No boy is a men.
 Conclusions: I. Some bo...
Statements:
Only few car are bullet.
Some bullet are service.
No service is gear.
Conclusions:
I. Some car are servic...
Statements:Â Â Â Â Â Â Â All lions are tigers.
                               All tigers are leopards.
Statements: All school are college.
Some college are not institutions.
All institutions are university.
Conclusions: I. some un...
Statements:
All pink are red
All red are green
No red is a blue
Conclusion:
I. Some green are not blue.
II. No pink is a blue
III. All green are pink
In the questions given below, there are three statements followed by three conclusions I, II and III. You have to take the three given statements to be...
In the question below there are three statements followed by three conclusions I, II and III. You have to take the three given statements to be true ev...
