Advertisements
Advertisements
Question
4 typists are employed to complete a work in 12 days. If two more typists are added, they will finish the same work in _________ days
Options
7
8
9
10
Advertisements
Solution
8
Explanation;
Hint:
| Typist | Days |
| 4 | 12 |
| 2 more added 4 + 2 = 6 | x |
4 × 12 = 6 × x, `(4 xx 12)/6` = x
x = 8
APPEARS IN
RELATED QUESTIONS
Which of the following are in inverse proportion?
Area of cultivated land and the crop harvested
Which of the following are in inverse proportion?
The population of a country and the area of land per person.
A contractor estimates that 3 persons could rewire Jasminder’s house in 4 days. If, he uses 4 persons instead of three, how long should they take to complete the job?
If 36 men can do a piece of work in 25 days, in how many days will 15 men do it?
Mohanrao took 10 days to finish a book, reading 40 pages every day. How many pages must be read in a day to finish it in 8 days?
Forty students stay in a hostel. They had food stock for 30 days. If the students are doubled then for how many days the stock will last?
If x varies inversely as y and x = 4 when y = 6, then when x = 3 the value of y is ______.
Length of a side of an equilateral triangle and its perimeter vary inversely with each other.
Sobi types 108 words in 6 minutes. How many words would she type in half an hour?
In a hostel of 50 girls, there are food provisions for 40 days. If 30 more girls join the hostel, how long will these provisions last?
