Question
How many km per hour does a man walk who passes through
a street 1400 m long in 12 minutes?Solution
Distance = 1400 m, Time = 12 minutes = 12 × 60 = 720 seconds, Speed = ? Speed = (Distance )/(Time ) = (1400 )/720 × (18 )/(5 ) = 7 km/hr
Find the wrong number in the given number series.
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2, 5, 9, 14, 20, 28 95, 139, 191, 251, 319, 380
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27, 38, 52, 70, 94, 122 Find the wrong number, in the given number series,
1680, 840, 2520, 630, 3150, 475
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Find the wrong number in the given number series.
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