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Start learning 50% faster. Sign in nowI. 12a2– 55a + 63 = 0 12a2– 27a – 28a+ 63 = 0 3a (4a - 9) – 7 (4a - 9) = 0 (3a-7) (4a-9) = 0 a = 7/3, 9/4 II. 8b2 – 50b + 77 = 0 8b2 – 28b – 22b + 77 = 0 4b (2b – 7) – 11(2b – 7) = 0 (4b-11) (2b-7) = 0 b = 11/4, 7/2 Hence, a ˂ b
After increase in sugar prices by 20%, a person is able to buy 2 kg less sugar for Rs. 540. Find the original and increased price of sugar per kg.
...The rectangular park has a length-to-breadth ratio of 8:7. Its perimeter exceeds the perimeter of a square-shaped park by 40 meters. The side length of ...
The length of a plot is six times its breadth. A playground measuring 300 square metres occupies half of the total area of the plot. What is the length ...
If base of a prism is square of side 12 cm & height is 22 cm . What is the volume of prism?
A storeroom has only steel and copper rods in the ratio 3:4, respectively and the weight of each steel and each copper rod is in the ratio 5:8, respecti...
If the radius of a circle is given up to 15 times, how much of its perimeter will be the perimeter of the previous perimeter?
The radius of a circle is x meters, and the side of a square is x + 5 meters. If the sum of the circumference of the circle and the perimeter of the squ...
A sphere has a radius that is one-third of the radius of a circle whose circumference is 216 cm. Calculate the volume of the sphere. (Use π = 3)
A rectangular piece of copper foil of length 49 cm and area 1078 cm2 is folded along its width to form a cylinder such that there is only one...
The ratio of the breadth to the length of a rectangular field is 3:4. The total cost of cutting the grass of the field at the rate of Rs 12 per m2<...
