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Questions and answers by
ritesh
Questions (5)
The cost of fencing a square field at rupees 1.60per meter is rupees 3200. Find the cost of reaping the field at rupees1.20per
3 answers
2,259 views
sid went to play in the nearby park. on reaching the park,he saw that were a total of 14 bicycles and tricycles. if the total
1 answer
504 views
A person is travelling by train and car in his whole journey.. The matter is if he is travelling first by train till 60kms and
1 answer
601 views
For a bathing person supplies 5×10^3Kj energy in 20 litre of water at 15°c temperature.What is the change in temperature of
2 answers
484 views
change 30 in 04 in equlivent fraction
1 answer
877 views
Answers (1)
C(7,4)=35*4!=840 AS No of ways he can select 4 out of 7 is 35 and each he can arrange in different order in 4! ways.
