Advertisements
Advertisements
प्रश्न
A given quantity of rice is sufficient for 60 persons for 3 days. How many days would the rice last for 18 persons?
उत्तर
Number of days for which the given quantity of rice is sufficient for 60 persons = 3 days
Number of days for which it is sufficient for 1 person = 3 × 60 = 180 days (less men means more days )
Number of days for which it is sufficient for 18 persons = `180/18` = 10 days
APPEARS IN
संबंधित प्रश्न
Find the third proportional to a2 – b2 and a + b.
Check whether the following numbers are in continued proportion.
2, 4, 8
Find the mean proportion of the following :
ab3 and a3b
If a, b, c are in continued proportion and a(b – c) = 2b, prove that: `a - c = (2(a + b))/a`.
Verify the following:
91 : 104 : : 119 : 136
A car travels 195 km in 3 hours.
(i) How long will it take to travel 520 km?
(ii) How far will it travel in 7 hours at the same speed?
10 books is to 15 books as 3 books is to 15 books
If two ratios are equal, then they are in ______.
Determine if the following are in proportion.
32, 48, 70, 210
Write True (T) or False (F) against the following statement:
12 : 18 : : 28 : 12
