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Urea, with the chemical formula CO(NH₂)₂, is a highly effective nitrogenous fertilizer that contains about 46.6% nitrogen, aiding in plant growth and soil fertility.
A bag contains 10-paisa, 20-paisa and 50-paisa coins in the ratio of 8:9:10, respectively. If the total amount in the bag is Rs. 38, then find 80% of th...
Divide Rs 2,100 among P, Q and R, so that P shall receive 3/7 as much as Q and R together, and Q 2/3 of what P and R together receive. Find the share ...
Two numbers are in the ratio 3: 2. If 6 and 5 are subtracted from the first and the second number respectively, the ratio becomes 8: 5. The numbers are:
A bag contains notes of Rs.10, Rs.20, and Rs.50 in the ratio of 1:3:5. If the total value of money in the bag is Rs.1920, find the number of Rs.20 notes.
A and B are solutions of acid and water. The ratios of water and acid in A and B are 4:5 and 1:2, respectively. If x litres of A is mixed with y Litres ...
Three positive numbers are in the 5:6: 7 ratio and the sum of their squares is 13,310. Find the sum of the three numbers
A plot has to be divided among P, Q and R in the ratio 3:4:6 respectively. If the area of plot received by R is 4800m ² more than the area of plot ...
A school has a total of 600 students. The ratio of boys to girls is 3:5. If 40% of the boys and 20% of the girls participated in a sports event, how man...
The third proportional to (4x² – 4y²) and (2x–2y) is: