Question
The Shatabdi express from Pune to Delhi was delayed by
snowfall for 18 minutes and made up for the delay on a section of 60 km travelling with a speed of 10 km per hour higher than its normal speed. Find the original speed of the Shatabdi express(according to the schedule).Solution
By travelling at 10km/h higher than the original speed, train is able to make up 18 minutes while travelling 60 km. This condition is only satisfied at an initial speed of 40(and a new speed of 50 km/h). Alternate method: We go by option: 60/40 - 60/(40+10) = 3/2 - 6/5 = 3/10 3/10 x 60 = 18 minutes
- If 6th March 2005 was Monday, then what was the day on 6th March 2004?
- If it was Sunday on 1st January 1956, what was the day of the week on 19 th September, 1956?
If December 25th, which is Christmas Day, falls on a Tuesday, what day of the week will it be after five days?
If 10th of the month falls on the day preceding Sunday, on what day will 1st of the month fall?
- What will be the angle formed between the hour needle and minute needle of a clock at 3hrs.40min when seen in clockwise direction of hour hand?
- The year next to 2014 will have the same calendar as that of the year _________.
- When seen through a mirror, a clock shows 09:35 hrs. The correct time is ____.
If it was Friday on 15th September, 1947 what was the day on 15th September, 2047?                ...
If it was Monday on 1st January 2018. What was the day on 31st December 2018?
What will be the angle formed between the hour needle and minute needle of a clock at 09hrs.23min. in clockwise direction from minute hand?
