Exam
Maths Puzzle
Numerical Ability
3 men or 8 boys can do a piece of work in 17 days. how many days will 2 men and 6 boys together take to complete the work
Read Solution (Total 2)
-
- ans : 12 3 men= 1/17 8 boys = 1/17 2m+6b=12
- 10 years agoHelpfull: Yes(3) No(0)
- 3 men= 8 boys
so 1 man = 8/3 boys
12 days
2 men nd 6 boys = 16/3 + 6 = 34/3 boys
8 boys do work in 17 days
so 1 boys......... 8 * 17 days
so 34/3boys........... 8*17 * 3/34 = 12 days - 10 years agoHelpfull: Yes(1) No(0)
Exam Other Question
In a city, 35% of the population is composed of migrants, 20% of whom are from rural areas. Of the local population, 48% is female while this figure for rural and urban migrants is 30% and 40% respectively. If the total population of the city is 728400, what is its female population 7
(a)324138
(b) 349680
(c) 509940
(d) None
12,12,18,45,180,1170, ?