There was a fire his morning. They were lucky to ESCAPE it.

In an office, one day, 20% of the staff members were on leave in the morning session. On that same day, 10% of the staff, who were on leave, came for the afternoon session. If total strength of the office is 400, then how many were present for the evening session? (The persons who were present in the morning session were also present in the afternoon session)

No sooner had he finished (1)/ his morning walk (2)/ when it began to rain. (3)/ No Error (4)

Atul buit a small house . He used well - insulated copper wires of good quality for wiring and switches, sockets and plugs too . He however , had a room - heater of poor quality . Once on a winter night he was sleepoing with his family in a closed room with the heater On. During sleep he was suffocated . Hence he woke up and found flames of heater on fire . His son Raghav got up quickly and switched off the main switch . He made a call to the fire brigade . The fire crew of fire brigade reached quickly and put off fire . Atul and his family thanked the firement . How Atul.s heater was on fire ?

A student studying the weather for d days observed that (i) it rained on 7 days. morning or afternoon, (ii) when it rained in the afternoon, it was clear in the morning, (iii) there were five clear afternoons and (iv) there were six clear morning. Then d equals