In a row, Rina is 10th from left and Seema is 8th from right. If they interchange positions, Rina becomes 20th from left. How many students are in the row?
In a certain code language, 'ok ta pe' means 'come and go', 'ta me pa' means 'go to school' and 'ok sa me' means 'come from school'. Which of the following means 'from' in that language?
A man walks 5 km toward south and then turns to the right. After walking 3 km he turns to the left and walks 5 km. Now in which direction is he from the starting place?
Explanation:
Start facing South 5 km, turn right (West) 3 km, turn left (South) 5 km. Final position is 10 km South and 3 km West of start, i.e., South-West.
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