Two numbers are respectively 20% and 50% more than a third number. The ratio of the two numbers is [#1018]

4 : 5

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4 : 5

A starts journey before B at a speed of 1 m/s. Hence A will be ahead of B (10*60)s * 1m/s = 600m Let A covers a distance of X after starting of B, Then X + 600m = 2X => 2X - X = 600m => X = 600m Hence B will cover a distance of 2X = 2 * 600m = 1200m = 1.2 km

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A starts journey before B at a speed of 1 m/s. Hence A will be ahead of B (10*60)s * 1m/s = 600m Let A covers a distance of X after starting of B, Then X + 600m = 2X => 2X - X = 600m => X = 600m Hence B will cover a distance of 2X = 2 * 600m = 1200m = 1.2 km

36

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36

5

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5

An obtuse angle is an angle greater than 90 degrees but less than 180 degrees, like the angle formed by two walls that meet at a corner.

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An obtuse angle is an angle greater than 90 degrees but less than 180 degrees, like the angle formed by two walls that meet at a corner.

A pentagon is a polygon with five sides, like the shape of the Pentagon building in Washington, D.C.

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A pentagon is a polygon with five sides, like the shape of the Pentagon building in Washington, D.C.

ROBOTICS :: PROJECTS OROBITSC :: RPJOCEST

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ROBOTICS :: PROJECTS OROBITSC :: RPJOCEST

(1000+100)m / (20m/s) = 55 seconds

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(1000+100)m / (20m/s) = 55 seconds

Net change (-40 + 20 + $\frac{(-40)*20}{100}$)% = (-20 + $\frac{-800}{100}$)% = (-20 - 8)% = -28% = 28%

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Net change (-40 + 20 + $\frac{(-40)*20}{100}$)% = (-20 + $\frac{-800}{100}$)% = (-20 - 8)% = -28% = 28%

6²-1 : 6 = 35 : 6 11²-1 : 11 = 120 : 11

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6²-1 : 6 = 35 : 6 11²-1 : 11 = 120 : 11

2

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2