A telephone bill costs Rs.13 for 19 minutes. What is the cost in rupees for 15 minutes 50 seconds?(rounded to one decimal)
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Find the median, mode and mean of 9, 5, 8, 9, 9, 7, 8, 9, 8.
A boat covers 143 km upstream in 13 hours and the same distance downstream in 11 hours. What is the speed (in km/hr) of the boat in still water?
A protruding part of the throat that is responsible for growing voice box in boys is called
The mean of the 5 smallest numbers from a group is 15 while the mean of all the 13 members of the group taken together is 17. What is the mean of the 8 largest numbers?
Rearrange the jumbled letters to make meaningful words and then select the one which is different.
Stars twinkle but planets do not twinkle because
Which of the following does not hold true for Animal belonging to Phylum Chordate?