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Start learning 50% faster. Sign in nowA and B together can complete a task in 12 days. A alone can complete the task in 20 days. In how many days can B alone complete the task?
96 × 30 – (400 ÷ 5) × 8 = ?.
A man travels the first part of his journey at a speed of 40 km/h and the second part at a speed of 60 km/h. What is the average speed of the man?
An amount of ₹10000 is invested in two parts at 8% and 6% per annum simple interest. If the total interest earned after 3 years is ₹2070, determine ...
Let f:R→R be defined as f(x) = cosx + sinx. Then the range of f(x) is:
Find the area of triangle formed by the points A(1, 2), B(4, 6), and C(5, 2).
A class of 50 students has an average Chemistry exam score of 65. There average of boys and girls are 3: 2 in the class. Boys have an average score of 7...
The average age of 8 colleagues is 16 years. When 2 new colleagues join the average age increases by one year. Find the average age of the new colleague...
In a 500-meter race, competitor 'P' runs at a speed of 18 km/h and allows a head start of 25 meters to competitor 'Q,' who eventu...