In a row of girls, Rita and Monika occupy the ninth place from the right end and tenth place from the left end, respectively. If they interchange their places, then Rita and Monika occupy the eighteenth place from the left end. How many girls are there in the row?

If the third day of a month is Monday,which of the following will be the fifth day from $21^{st}$ of the month?

Reaching the place of meeting on Tuesday $15 \,minutes$ before $08:30 \,hours$,Anuj found himself half an hour earlier than the man who was $40 \,minutes$ late. What was the scheduled time of the meeting?

In a column of girls,Kamal is $11^{th}$ from the front. Neela is $3$ places ahead of Sunita,who is $22^{nd}$ from the front. How many girls are there between Kamal and Neela in the column?

An application was received by an inward clerk in the afternoon of a weekday. The next day,he forwarded it to the table of the senior clerk,who was on leave that day. The senior clerk,on the next day evening,put up the application to the desk officer. The desk officer studied the application and disposed of the matter on the same day,i.e.,Friday. On which day was the application received by the inward clerk?

If Thursday was the day after the day before yesterday five days ago, what is the least number of days ago when Sunday was three days before the day after tomorrow?