Question

A train leaves New Delhi at 1915 hours and arrives Mathura at 2205 hours. The distance between two stations is 144 km. Find the speed of the train.
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Answer 1

Step-by-step explanation:

Distance travelled: 144 km=144*1000= 144000 metres. = 144000/10200. Speed=14.117 m/s. = 50.82 km/hr.

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Answer 2

Answer:

Given :-

A SHOPKEEPR BUYS A STOVE FROM A MANUFACTURE FOR $100 CALCULATE

To Find :-

THE SELLING PRICE IF HE MAKES A PROFIT OF 15% B) THE SELLING PRICE IF HE MAKES A LOSS OF 15%

Solution :-

We know that

SP = (100 + Profit%/100) × CP

SP = (100 + 15/100) × 100

SP = 115/100 × 100

SP = $115

Now,

SP = (100 - Loss%/100) × CP

SP = (100 - 15/100) × 100

SP = 85/100 × 100

SP = $85