A and B combinely can do a work in 4 days. If A alone can
do a piece of work 6 days. In how many days B alone can do?
a) 8 days b) 6 days c)10 days d) 12 days
Answer Posted / tam
combinely job=A+B=4days
when A is alone job=A=2
then B=4-A
=4-2
B=2
so,the ans is b
| Is This Answer Correct ? | 2 Yes | 1 No |
Post New Answer View All Answers
A is twice efficient than B. A and B can both work together to complete a work in 7 days. Then find in how many days A alone can complete the work?
How many mashes are there in 1 square meter of wire gauge if each mesh is 8mm long and 5mm wide ?
A sales person multiplied by a number and get the answer 3. Instead of that number divided by 3. What is the answer she actually has to get. (1/3) * 1 *3 =3 so the no= 1 divided by three.
How many 1's are there in the binary form of 8*1024 + 3*64 + 3
Numbers of animals is 11 more than the number of birds. If the number of birds were the number of animals and number of animals were the number of birds( ie., interchanging number s of animals and birds.), the total number of legs get reduced by one fifth(1/5). How many no. of birds and animals were there?
The lowest temperature in the night in a city A is 1/3 more than 1/2 the highest during the day. Sum of the lowest temperature and the highest temperature is 100 degrees. Then what is the low temp?
guttural : throat :: gastric :
Light glows for every 13 seconds . How many times did it between 1:57:58 and 3:20:47 am
15 Men take 21 days of 8 hrs. each to do a piece of work. How many days of 6 hrs. each would do if 21 women take. If 3 women do as much work of 2 men.
Perimeter of the back whell = 9 feet, front wheel = 7 feet on a certain distance the front wheel gets 10 revolutions more than back wheel . what is the distance?
Find the correct meaning of the following phrase: Penny wise pound foolish
be * be = acb a,b,c,e are non zero numbers find b,e.
1, 11, 21, 1211, 111221, 312211, . . . . . what is the next term in the series?
A & B are playing a game .There are 8 oranges in a row on the table.one Player can take 1-4 oranges in a pick (a maximum of 4),one who picks the last orange wins the game.'A' plays first How many oranges should he pick first time inorder to win the game.
What is the angle between the two hands of the clock when it shows 10:10?