Fifteen students are standing in horizontal row from left to right. If all the odd numbered students in the row are shifted to successive odd—numbered positions, what will be the position of Sonam who was 7th from the left end in the row initially?

sandeep starts walking straight towards east. After walking 75 metres, he turns to the lefft and walk 25 metres straight. Again he turns to the left, walks a dsitance of 40 metres straight,again he turns to the left and walks a distance of 25 metres. How far is he from the starting poing?

Find the missing number.
25, 121, 361, 1369, ?

Sunil is the son of the Kesav. Simran is Kesav's sister, has a son Maruti and daughter Sita. Prem is the maternal uncle of Maruti. How is Sunil related to Maruti? 

In the following question, select the missing number from the given series.

In a school, the bell is rung once after each half an hour. The school starts at 8:00 a.m. and closes at 1: 30 p.m. The bell is rung 3 times continuously, at the time of beginning, at the time of lunch break at 10:00 and 10:30 a.m. and at the end. How many times is the bell rung every day?