Question
Select the number from the given option that can
replace the question mark (?) in the following series: 15, 63, 126, ?, 305, 425Solution
The logic followed here is as follows: 15 + (7² − 1) = 15 + 48 = 63 63 + (8² − 1) = 63 + 63 = 126 126 + (9² − 1) = 126 + 80 = 206 206 + (10² − 1) = 206 + 99 = 305 305 + (11² − 1) = 305 + 120 = 425
Statements: Some speaker are enjoyment.
                         No enjoyment is a music.
Conclusions: I. ...
Statements: Â
Only Delhi are Mumbai
Some Delhi are Kolkata
Only Kolkata are Chennai
Conclusion:
I. Some Mumbai a...
Statements:
All present are past
 Some past are future
Only a few future is tense
Conclusions:
I. Some tense can ne...
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...
Statements:Some teachers are Lectures.
All professors are lecturers.
All lecturers are students.
Conclusions:I. Some students are t...
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 ...
Statements:
Few Platform is Train
All Train is Ticket
 No Train is Mall
Conclusion:
I. No Ticket is Mall
II....
Statements: a. Some forests are trees.
b. Some trees are flowers.
c. All forests are deserts..
C...
- 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 they ...
Statements: No book is a pen.
All copies are books.
All books are telephones.
No radio is a telephone.
Conclusions: I. ...
