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" If a certain number of workmen can do a piece of work in 25 days, in what time will... "
Arithmetic for the use of schools. [3 pt. in 1]. - Σελίδα 40
των Richard Dunkley Beasley - 1867
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Arithmetical Problems, Oral and Written: With Numerous Tables of Money ...

Daniel W. Fish - 1874 - 300 σελίδες
...a quantity of the same for $455, and gained 30$. What quantity was sold ? and at what price ? 160. If a certain number of workmen can do a piece of work in 25 da., in what time will 1| of that number of men do a piece of work twice as great, supposing 2 of the...

Arithmetical Problems, Oral and Written: With Numerous Tables of Money ...

Daniel W. Fish - 1875 - 290 σελίδες
...quantity of the same for $455, and gained 30$. What quantity was sold ? and at 'what price ? _^&?0. If a certain number of workmen can do a piece of work in 25 da., in what time will If of that number of men do a piece of work twice as great, supposing 2 of the...

The civil service arithmetic. [With] A key. [With] A key, Τόμος 1

Robert Johnston (F.R.G.S.) - 1879 - 318 σελίδες
...gain £ of my outlay. What would I have gained per cent, had I sold it for 16s. 6d. ? 4. If 12 men do a piece of work in 25 days, in what time will 10 men do a piece of work 1J times as great, if 3 of the first set do as much in an hour as 4 of the...

Unitary Arithmetic: Embodying the First Book of Arithmetic of the Irish ...

Alexander Kennedy Isbister - 1882 - 190 σελίδες
...„ 1 man „ = 42 x 28 days.» 2 32.x 28 . „ 21 men . = — ^— days. = 56 days. Ans. 4. If 15 workmen can do a piece of work in 25 days, in what time can 25 men do the same 1 6. If 8 horses subsist ou a certain quantity of hay for 2 months, how long...

The Practical Teacher, Τόμος 2

1883 - 658 σελίδες
...J. Jp 5. I_ J ___ I 2 £2*10 /¿5*4 7 9 ;' 3 // t tt¿ 37 f 1 Х2+ (lx 19 5 Ans. 2. SUBSCRIBIR. — If a certain number of workmen can do a piece of work in 25 days, in what time will if of that number do a piece of work twice as great, supposing two of the first set can do as much...

The Practical Teacher; with which is Incorporated the Practical ..., Τόμος 2

Joseph Hughes - 1883 - 578 σελίδες
...Arithmetic. i. 2HD YEAR PT— Simplify TY + íY + íV-* rf Ч '¿ 3i U iWi-a*?* . 2. SUBSCRIBER. — If a certain number of workmen can do a piece of work in 25 days, in what time will if of that number do a piece of work twice as great, supposing two of the first set can do as much...

SSC Graduate Level Combined Preliminary Examination

270 σελίδες
...progression results. The common ratio is a) 13 b) 2c) -12 d) None of these 179. If 16 men or 20 women can do a piece of work in 25 days, in what time will 28 men and 15 women doit? a) 14- days b) 33- days 2 1 c) 18- days d) 10 days 180. A and B starts at...
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