Question
The given table represents the number of computers sold
by four dealers A, B, C and D during the first six months of 2016. Study the table carefully and answer the question that follows. What is the ratio of the total number of computers sold by dealer A in February, April and May to the total number of computers sold by dealer D in March, May and June?Solution
Total number of computers sold by dealer A in February, April and May = 94 + 108 + 98 = 300 Total number of computers sold by dealer D in March, May and June = 90 + 89 + 91 = 270 Required ratio = 300 : 270 = 10:9
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?
If a = b in the equation of ellipse x²/a² + y²/b² = 1, then the curve becomes:
765 ÷ 25 × 100 ÷ 20 + 13 = x3 + 41, find 'x'
'P' invested a certain amount at 21% per annum simple interest for 2 years. If he had instead invested the same amount at 20% per...
The following table shows the number of cars sold by a dealership in the first six months of the year.
I. 3x2 – 15x + 18 = 0
II. 2y2 – 40y + 198 = 0
Suppose Ranjan purchases a bike for Rs. 6,50,000 and sells it for Rs. 8,00,000, calculate the profit % in this transaction.
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Area of a rectangle is 96 m2 When the length of the same rectangle increased by 6 m and the breadth decreased by 3 m, then the area of the re...
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