The logic followed in the given series is: 
The missing number is 253. Hence, the correct answer is (A).
Statements:
Few Platform is Train
All Train is Ticket
No Train is Mall
Conclusion:
I. No Ticket is Mall
II....
Statements: Some guitars are harmoniums.
No harmonium is a sitar.
Conclusions: I. Some guitars are not sitars.
II. Some sitars ar...
Statements:
Some tubes are paste.
All paste are colgate.
Some colgate are mouthwash
Conclusion:
I. Some tubes are mou...
Statements:
Few Numbers are Letters.
All Numbers are Consonants.
Some Consonants are not Alphabets.
Conclusion:
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at varianc...
Statement:
All beds are cupboards.
Some beds are tables.
Some tables are pillows.
Conclusion:
I. Some cupboards are...
Statements:
All Pearl are Flower.
Some Bud are Pearl.
No Flower is a Stem.
Conclusions:
I. Some Bud are Flower is a p...
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance...
Statement:
Only a few internet are system.
All system are network.
Only network is intranet.
No network is browse. ...
Statements:
Only a few Hands are Leg.
Some Legs are knee.
Only Knees are Nails.
Conclusion
I) Some Knees are Leg.
II) Some Nails are Hand.
