For the following questions answer them individually
The number of hours spent by a student on different activities as shown in the following pie chart:
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The central angle corresponding to the sleeping time is what percentage of the whole central angle?
The area of a rectangular field is 480 $$m^{2}$$. If the length is 20% more than the breadth, then the length of the rectangular field is:
In a circle centred at O, PQ is a tangent at P. Furthermore, AB is the chord of the circle and is extended to Q. If PQ = 12 cm and QB = 8 cm, then the length of AB is equal to:
The upstream speed of a boat is 8 km/h and the downstream is 15 km/h. What is the speed of the boat in still water and the speed of the stream (in km/h), respectively?
A number is first decreased by 28% and then increased by 28%. The number so obtained is 784 less than the original number. Find the value of the original number.
The following pie chart shows the number of students who failed in different subjects in an examination. Examine the chart and answer the following question. The total number of students who have failed is 350.
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The number of students failed in mathematics is less than the number of students failed in all other subjects by:
The price of a stock increased by 30% in the first year and decreased by 20% in the second year. If an investor bought 100 shares of the stock for ₹1,000, then what is the final value of the investment after 2 years?
The LCM of two numbers is 660 and their HCF is 5. If one of the numbers is 55, find the other.
Some medicine in liquid form is prepared in a hemispherical container of diameter 36 cm. When the container is full of medicine, the medicine is transferred to small cylindrical bottles of diameter 6 cm and height 6 cm. How many bottles are required to empty the container?