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Distance = 220 km Speed of train 1 = 24 km/hr Speed of train 2 = 31 km/hr Relative speed = 24 + 31 = 55 km/hr Therefore, speed = distance/time ⇒ 55 = 220/Time ⇒ Time = 220/55 = 4 hrs
The ratio of the incomes of Vineet and Vidya is 5:2 respectively. Vineet saves 30% of his income while Vidya saves 20% of his income. The sum of their e...
A rectangle has a perimeter of 60 cm, and the ratio of its length to its width is 3:2. Find the length of its diagonal.
A manufacturing firm produces three products: P, Q, and R. What is the total revenue generated from these products in a month?
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...A person has ₹5000. He invests 40% of it in scheme A at 8% per annum and the remaining in scheme B at 10% per annum. What is the total interest earned...
Let sinA+ sinB = a and cosA+ cosB = b, then the value of a² + b² = ?
If sin(3θ) = cos(2θ), find θ.
A man buys two cows for a total of $4,000. He sells one at a 20% profit and the other at a 20% loss. If the selling prices of both cows are the same, fi...
The cost price of 21 mangoes is Rs.200. Because of bad quality of mangoes, the shopkeeper has to sell mangoes at a loss that is equal to selling price o...
A line with slope m touches the parabola y ² = 4ax. The equation of the tangent is:
Let A = 3i + 2j, B = pi + 9j, and C = i + j. If points A, B, and C are collinear, then the value of p is:
