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P can complete a work in 25 days, while Q can complete the same work in 30 days. They work together for 5 days, and then P is replaced by R, who can com...
In a company with a total of 2250 employees, 32% are permanent employees, while the rest are contractual employees. If 40% of the...
If cos A = 4/5 and A is an acute angle, find the value of 3 tan A + 4 sec A.
Find the value of the given expression:
What is the total amount spent on Advertising and Training combined?
A car travels from city A to city B at a speed of 60 miles per hour and returns to city A at a speed of 40 miles per hour. If the total round trip takes...
The circle whose centre is (–3, 2) and which cuts off a chord of length 6 on the line 2x–5y+18=0 has radius:
20 boys working 9 hours a day can finish a task in 12 days. They all worked together initially, but after 10 days, 5 boys left. H...
A circle with radius 5 units is inscribed in a square. What is the area of the square?
If a line has direction ratios 2, -1, -2, determine its direction cosines.