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CBSE Class 10 Answered

If x is the speed of boat in still water and y is the speed of water then write the formula to find the time taken by the boat in upstream and downstream    
Asked by sureshchp | 07 Jun, 2019, 11:17: AM
answered-by-expert Expert Answer
Speed space of space boat space rightwards arrow space straight x space km divided by hr Speed space of space stream rightwards arrow space straight y space km divided by hr Speed space of space boat space upstream space rightwards arrow space straight x space minus space straight y space km divided by hr Speed space of space boat space space down space stream rightwards arrow straight x plus space straight y space km divided by hr if space distance space is space straight D upstream space time space equals space fraction numerator straight D over denominator space straight x space minus space straight y space end fraction space hrs down space stream space time space equals space fraction numerator straight D over denominator space straight x space plus space straight y space end fraction space hrs
Answered by Arun | 07 Jun, 2019, 01:42: PM
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CBSE 10 - Maths
If a number is multiplied by 25℅ of itself,the resultant number found is 200℅ more than that number, then that number is
Asked by roberthook106 | 27 Jul, 2019, 02:34: PM
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CBSE 10 - Maths
Find two no. Whose sum is 27 and product  is 182 Why do we take 27-x there they have given sum
Asked by Sahilbafna1489 | 30 Jun, 2019, 08:10: PM
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CBSE 10 - Maths
in a basketball game mohan scored 4 more than  twice  as many points as rohan.   if one of them  has scored two more points their total would have been 60.  how many points did each score
Asked by ajayrath7 | 15 Jun, 2019, 06:38: PM
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CBSE 10 - Maths
in a graph if a line is paralle to x axis write the number of zero if y=Px
Asked by rajani.vinod | 14 Jun, 2019, 10:05: PM
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CBSE 10 - Maths
If x is the speed of boat in still water and y is the speed of water then write the formula to find the time taken by the boat in upstream and downstream    
Asked by sureshchp | 07 Jun, 2019, 11:17: AM
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CBSE 10 - Maths
After distributing the chocolates equally among 21 children, 2 chocolates remain. Had the number of children been 24, 14 chocolates would have been left after equal distribution. What was the minimum number of chocolates?-(1)79 (2)84 (3)86 (4)data inadequate
Asked by patra04011965 | 19 May, 2019, 01:52: PM
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CBSE 10 - Maths
Solve the eqution by elimination or substration method
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Asked by vedpanchal562 | 10 May, 2019, 08:41: AM
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CBSE 10 - Maths
solve q)41
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Asked by ajayrath7 | 11 Apr, 2019, 10:36: AM
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CBSE 10 - Maths
when a princess slept,her pearl necklace broke.one-third of the pearls scattered on the bed and floor.the square of the number of pearls that fell on the floor was equal to the number that fell on the bed.if 60 pearls still remained on the neckolace,find the number that fell on the floor
Asked by amrithasai123 | 24 Feb, 2019, 11:52: AM
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CBSE 10 - Maths
Write the algorithm for the method of elimination for solving the pair of linear equations?  
Asked by Ollalasupriya579 | 04 Feb, 2019, 10:36: PM
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