28. A and B can finish a piece of work in 20 days .B and C
in 30 days and C and A in 40 days.
In how many days will A alone finish the job
(a) 48
(b) 34 2/7
(c) 44
(d) 45
Answer Posted / gowri
48
Is This Answer Correct ? | 4 Yes | 0 No |
Post New Answer View All Answers
(1/2) of a number is 3 times more than the (1/6) of the same number?
During a given week an author spends 1/4 of his time preparing first drafts, 3/8 of his time editing the drafts and the rest of the time in preparing final drafts. If he works 48 hours during the week, how many hours did he spend in preparing final drafts?
Complete the series..2 2 12 12 30 30 ?
Factorize y**2 + 8y - 48 =0
A ship went on a voyage.After it had travelled 180 miles a plane statrted with 10 times the speed of the ship. An army 50 miles long marches at a constant rate. A courier standing at the rear moves forward and delivers the message to the first person and then turns back and reaches the rear of the army as the army completes 50 miles. Find the distance travelled by the courier.
be * be = acb a,b,c,e are non zero numbers find b,e.
A person was fined for exceeding the speed limit by 10 km/hr. Another person was also fined for exceeding the same speed limit by twice the same. If the second person was traveling at a speed of 35km/hr,find the speed limit?
If we r terminated at the middle of the program execution in UNIX,wat will happen to the program,it will continue running r terminate r the o/p will be send to ur mail?
If each of the numbers A, B and C are divisible by 2, then A*B*C must be divisible by
write a program that prompts the user to enter three sides of a triangle and prints whether it is a right triangle or not.
Which countries have two official national anthem ?
Three men goes to a hotel to stay ,the clerk says $30 per room/day so all the three plans to stay in one room so each pays $10.After some time the clerk realises that he made a mistake of collecting $30 but the room cost only $25,there fore he decides to return $5 to them so he calls the room boy and gives him $5 asking him to return. The room boy keeps $2 with him and he returns only $3($1 for each). Now Totally all have paid $9 each($27)+room boy $2 which is equal to $27.where did $1 go,who has made the mistake?
Low temperature at the night in a city is 1/3 more than 1/2 hinge as higher temperature in a day. Sum of the low temp and highest temp is 100c. Then what is the low temperature
i need icet model papers,po exam papers....please send urgent
Two glasses were filled with 1/3 and 1/4 milk. they were filled with water &then mixed in tumbler. what is the percentage of milk in the resultant.