Data Sufficiency-
Sharmila is a chemistry teacher. She forgot to bring her time-table and now wants to find out the schedule for XI-B. She knows that there are four subjects taught - Physics. Chemistry. Mathematics and Biology - in four consecutive periods of one hour each starting from 9 00 AM. At what time is the
Chemistry period is scheduled?
Statements :
I Mathematics period ended at 11 00 a m which was preceded by Biology
II Physics was scheduled in the last period
OPTIONS ARE:
1)I alone is sufficient while II alone is not sufficient
2)II alone is sufficient while I alone is not sufficient

3)Either I or II s sufficient
4)Neither I nor Ills sufficient
5)Both I and II together are sufficienT

• Ans. 5)
  
  1st statement says that 10 to 11 am is maths period and 11 to 12 pm is biology's period.
  
  2nd statement says that Physics is the last lecture
  
  so, chemistry will be the 1st lecture on 9:00 AM
• 8 years agoHelpfull: Yes(4) No(0)
• 5) both 1 & 2 are together sufficient
• 8 years agoHelpfull: Yes(0) No(0)