Get Started with ixamBee
Start learning 50% faster. Sign in now
We know that, on covering same distance at two different speeds, s1 km/hr and s2 km/hr, respectively, then Average speed = (2 X s1 X s2) ÷ (s1 + s2) ATQ, 36 = (2 X 45 X x) ÷ (45 + x) 36 = 90x ÷ (45 + x) Or, 90x = 1620 + 36x Or, 54x = 1620 So, x = 1620/54 = 30 So, (x + 19) 1/2 = (49) 1/2 = 7
Monthly savings of ‘Q’ is 25% more than that of ‘P’ and is 44% less than monthly income of ‘P’. Monthly expenditure of ‘Q’ is Rs. 5150 a...
Marks scored by A and B in a test are in the ratio 12:7 respectively. If B had scored 6 more marks, then marks scored by A would be 20% more than that o...
Monthly savings of ‘Q’ is 20% more than that of ‘P’ and is 44% less than monthly income of ‘P’. Monthly expenditure of ‘Q’ is Rs. 4760 a...
Three Partners Chandra, Shekhar and Azad invested in the ratio of 3/2, 2/3, 4/3 in a business. After 3 months Chandra decreased his capital by 50%. If t...
The ratio of the number of English books to Hindi books in a library shelf is 4:3. If 90 Hindi books are written by Pradeep, which constitutes 30% of th...
If the income of a family decrease by 6% and expenditure decrease by 8%, and its saving increases by 4%. Find the ratio of income and expenditure of th...
The ratio of zinc and copper in a brass pieces is 4:7. How much zinc will be there in 110 kg of such a piece?
In an office, the ratio of the number of males to number of females is 11:8. If 3 males joined the class and 6 females left the class, then the ratio of...
A vessel contains some milk .6 liter of the milk was taken out of the vessel and replaced with 6 liter of water and again 6 liter of mixture was taken o...
If A:B = 3:4 and B:C = 5:7, then find the value of A:B:C.
