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chem_al
Ratio problem?
Gold is 16 times as heavy as water and copper is 9 times as heavy as water.The ratio in which the two metals should be mixed so that the mixture is 15 times as heavy as water is __________
3 AnswersMathematics7 years agoWork and wages problem?
Three labourers A, B, C were given a contract of Rs.
750 for doing a certain piece of work. All the three
together can finish this work in 8 days. A and C
together can do it in 12 days, while A and B together
can dö it in 13 — days. How the money will be divided
among them?
ANS: A- 200,B-250,C-300
3 AnswersMathematics8 years agoTime and wages problem?
A can do a piece of work in 90 days, B in 40 days
and C in 12 days. They work for a day each in turn
i.e. first day A does it alone, B does it the second
day and C the third day. After that A does it for
another day and soon after finishing the work they
get Rs. 240. If the wages are divided in proportional
to the work done by them, find what will each get?
4 AnswersMathematics8 years agoTime and work ratio problem?
The rates of working of A and B are in the ratio 3 : 4. The number of days taken by them to finish the work are in the ratio:
3 : 4
9 : 16
4 : 3
none of these
3 AnswersMathematics8 years agoTime and work problem?
A can do a piece of work in 24 days while B alone can do it in 16 days. With the help of C, they finish the work in 8 days. C alone can do the work in:
32 days
36 days
40 days
48 days
4 AnswersMathematics8 years agoTime and work problem?
A and B working separately can do a piece of work in 9 and 12 days respectively. If they work for a day alternately. A beginning, in how many days the work will be completed?
2 AnswersMathematics8 years agotime and work problem?
. A can do (1/3) of a work in 5 days and B can do (2/5) of the work in 10 days. In how many days both A and B together can do the work ?
7
8
9
10
1 AnswerMathematics8 years agoaptitude wages problem?
A, B and C contract a work for Rs. 550. Together A and B are to do of the work. The share of C should be:
Rs. 183
Rs. 200
Rs. 300
Rs. 400
1 AnswerMathematics8 years agomen and women problem?
12 men or 18 women can reap a field in 14 days. The number of days that 8 men and 16 women will take to reap it, is:
5
7
8
9
3 AnswersMathematics8 years agotime and work problem?
A does half as much work as B in three-fourth of the time. If together they take 18 days to complete a work, how much time shall B take to do it?
30 days
35 days
40 days
none of these
3 AnswersMathematics8 years agoTime and work problem?
. A does half as much work as B in three-fourth of the time. If together they take 18 days to complete a work, how much time shall B take to do it?
30 days
35 days
40 days
none of these
1 AnswerPhysics8 years agohelp me with this time and work problem?
A can do (1/3) of a work in 5 days and B can do (2/5) of the work in 10 days. In how many days both A and B together can do the work ?
7
8
9
10
Plz giv the calculation part too
4 AnswersMathematics8 years agowhat shud an indian do to get a job as chemistry teacher in uk i hav masters in chemistry bachelors in educati?
should i clear any exams nd tell me how i can apply?
1 AnswerHigher Education (University +)1 decade agowhat shud an indian do to get a job as chemistry teacher in uk i hav masters in chemistry bachelors in educati?
should i clear any exams nd tell me how i can apply?
1 AnswerTeaching1 decade ago