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Let the total number of units of work =108 A and B can do in 18 hours so 108/18 =6 units each hour they both can do 6 units For 6 hours they both worked and so 36 units is done so 108-36=72 units of work is done by B alone in 36 hours I.e 72/36 = 2 units per day Therefore a+b=6 a=6-2 a=4 units per day If A worked alone then 108/4 =27 hours
Select the number from among the given options that can replace the question mark (?) in the following table.
Find the missing number.
In the following expression find the missing term:
Find the missing term?
Find the missing number by analysing the pattern followed by the numbers in each row.
Select the number from among the given option that can replace the question mark (?) in the following series.
4, 21, 86, 261, 526, ?
Find the missing number.
Find the missing number from the given responses.
3 5 7
4 6 8
5 7 9
26...
Select the number which can be placed in the column of question mark sign.