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Start learning 50% faster. Sign in nowATQ, Let, the speed of the stream be x km/hr. So, upstream speed = (40 – x) km/hr According to the question, 240/(40 – x) = 8 On solving, x = 10 km/hr So, downstream speed = 40 + x = 40 + 10 = 50 km/hr Time taken to cover the distance = 150/50 = 3 hours
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Select the correct mirror image of the given combination when the mirror is placed at ‘AB’ as shown.
If a mirror is placed on the line XY, then which of the answer figures is the mirror image of the given figure?
Select the correct mirror image of the following word when the mirror is placed to the right of the word.
Select the correct mirror image of the given figure when the mirror is placed as shown below.
Identify the mirror image of the following figure when the mirror XY is placed to the right of the figure.