Question
6 men can complete the same work in 12 days, 8 women can
do it in 18 days and 18 children can complete it in 10 days. 4 men, 12 women, and 20 children together can do the work in 2 days. If the remaining work is done only in If the number of men is to be completed in one day, how many men will be required? ty-sscSolution
1 Man can do a work =6×12=72days 1woman Can do a work =8×18 =144days 1 child can do a work = 18×10=180days Now- (4men+12men+20children) can do a work in 2days = (4/72+12/144+20/180)2 = (1/18+1/12+1/9)2 = (9×2/36) =1/2 72 men can do a work in 1 day. The remaining ½ work can be done in a 1 day = 36men
The average age of 32 children and their teacher's age are 28 years. If the teacher's age is excluded, the average reduces by 1. What is the teacher's age?
The average mark obtained by 160 candidates in a certain examination is 60. If the average marks of passed candidates are 65 and that of the failed cand...
Average 20 numbers is ‘x’. If the average of first 12 numbers is 62.5 while average of last 5 numbers is 74.8 and 13th, 14th a...
A batsman averages 28.4 runs in 15 innings. In the next three innings, he scores 45, 89 and 52. Find his new batting average.
A and B started a business investing Rs. 1500 for ‘x’ months and Rs. 1800 for 10 months, respectively. Out of total profit of Rs. 5000, profit shar...
Average 20 numbers is ‘x’. If the average of first 12 numbers is 64.5 while average of last 5 numbers is 86.6 and 13th, 14th a...
The ratio of the number of cats to sheep on a farm is 5:8. The total number of cats and sheep is 91. The combined weight of all t...
A marked an article 60% above the cost price and sold it for Rs. 450 after giving a discount of 10%. Find the percentage profit earned by him if he sell...
Ashish bought 25 notebooks for Rs.1230 from shop A and 12 notebooks for Rs.805 from shop B. What is the average price he paid per book?
Average age of company A is 21 years and average age of both companies A and B is 13 years. If the ratio of number of employees in company A and B is 3:...
Relevant for Exams:
