Question
Consider the following statements. Assertion (A):
Phosphorous availability is poor in acid soils. Reason (R): Phosphorous is leached from acidic soils.Solution
Phosphorous availability is indeed poor in acid soils due to its conversion into forms that are not easily available to plants. However, phosphorus is not typically leached from soils; it tends to bind tightly to soil particles, which is different from leaching.
Three numbers are in ratio 3:5:6. If the sum of the squares of those three numbers is 280 then find the sum of the three numbers.
The ages of A, B and C are in the ratio of 5:3:7 respectively. If the sum of their ages is 60 years, then find the age of B.
Marks scored by A and B in a test are in the ratio 12:5 respectively. If B had scored 5 more marks, then marks scored by A would be 20% more than that o...
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What number has to be added to each term of 2:3 to make the ratio 4:5?
Adarsh rented a travel bike for a mountain tour. If the bike is rented for 8 hours or less, the charge is Rs. 100 per hour or Rs. 8 per km, whichever is...
If x+3, x-2, 6 and 5 are in proportion then find the mean proportional to x and 9x2.
In 2020, the incomes of A and B were in the ratio 8:5, and their expenses were in the ratio 5:3. A’s savings in 2020 exceeded B’s savings by ₹5,00...
If ‘A’, ‘B’ and ‘C’ are in proportion in the given order while ‘A’ = 27 and ‘B’ = 63, then find the value of ‘C’.
...Marks scored by A and B in a test are in the ratio 13:5 respectively. If B had scored 5 more marks, then marks scored by A would be 30% more than that o...
