Total time taken by A, B, and C to complete. the whole work = 19.5/0.75 = 26 days Let the total amount of work = 468 units (LCM of 36, 39 and 26) Efficiency of A and B together = 468/36 = 13 units per day Efficiency of A and C together = 468/39 = 12 units per day Efficiency of A, B, and C together = 468/26 = 18 units per day Efficiency of A = 13 + 12 – 18 = 7 units per days efficiency of B=18-12=6days efficiency of C=18-13=5days Then the efficiency of B+C= 6+5=11days Required time taken of B+C= (468×.77)/11 =32.76days
Select a unique number for each letter in the following table according to which a meaningful word will be formed when the letters are arranged.
<...If 'L' means '×', 'M' means '-', 'N' means '+', and 'O' means '÷', then what will be the value of the following expression?
6 L 25 M 15 N 45 ...
Who is sitting third to the right of Meera?
In a certain code language, 'PQRS' is written as "HIJK'. How will 'XYZA' be written as in the same coding language?
In a certain code language, if BAND is written 21144, how will LESS be written in the same language?
‘A and B’ means ‘A is the father of B’
‘A # B’ means ‘A is the son of B’
‘A ^ B’ means ‘A is the brother of B’s fa...
In a certain code language, MAN is written as OCP and GEM is written as IGO. How will CAT be written in that language?
Select the option that represents the letters which, when sequentially placed from left to right in the blanks below, will complete the letter series.
Statement: Ram has only one month's time to prepare for the exam, so he practices math everyday.
Conclusion:
i) Ram is weak in mathem...
Which of the following letter-clusters will replace the question mark (?) in the given series?
EG, FF, HI, KH, OK, TJ, ?
