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Part of the work done by A and B in one day = (1/40) + (1/50) = 9/200 Part of the work done by A and B in 10 days = 90/200 Remaining work = 1 – (90/200) = 110/200 Let the time taken by C alone to complete the work be ‘c’ days. So, (90/200) + (10/c) = 110/200 10/c = (110/200) – (90/200) c = 100 So, time taken by C alone to complete the work = 100 days
Select the number-pair in which the two numbers are related in the same way as are the two numbers of the following number-pair.
7 : 85
If the numbers 1 and 2 are interchanged, 3 and 4 change places and also the symbols × and ÷, then find the value of 1 + 3 × 2 ÷ 4.
...Select the option that is related to the third term in the same way as the second term is related to the first term.
17 : 361 : : 21 :______
If digits of each number are added and sum is multiplied by 4, and the resultants are arranged in descending order, which number will be at last position?
196 4921
18 x 9
If ‘ x' is resultant of the first row, what is the resultant of the second row?
...A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series:-
Read the directions carefully and answer the following question.
If in the number ‘ 9887532691 ’, the even digits are shifted to the next ...
64 8 5
420 14 10
What the difference between the resultant of the first row and the second row?
...Read the directions carefully and answer the following question.
Select the correct combination of mathematical signs that can sequentially re...
If A denotes 'addition', B denotes 'multiplication', C denotes 'subtraction', and D denotes 'division', then what will be the value of the fol...
