Question
A was travelling from point X to point Y. He increased
his speed by 10 km/h after every hour. He reached his destination in 14 hours. If his initial speed was 30 km/h, then what was his average speed in the whole journey?Solution
Total distance travelled by A = (14/2) × {2 × 30 + (14 – 1) × 10} = 7 × (60 + 130) = 1330 km Required average speed = 1330/14 = 95 km/h
Select the most appropriate synonym of the given word.
Munch
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CLUTCH
Cater
(i) The umpteen four-wheelers and six-wheelers maintained by the institutions cater to the needs of students.
(ii) Corrianders Resta...
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