CBSE XI Science Physics Motion in a Straight Line
FIND THE AVERAGE SPEED OF AN OBJECT WHOSE SPEED-TIME GRAPH IS GIVEN BELOW.
CBSE IX Physics Force and Laws of Motion
A train leaves New delhi railway station at 9am and reaches jaipur , which is at a distance of 260km at 12:45 pm the train reaches alwar at a distance 150km from delhi at 11:30 am and stop there for 15 minutes .
what is the average speed fo the train between alwar and jaipur?
CBSE VIII Maths Comparing Quantities
a computer typist types a page with 20 lines in 10 minutes but he leaves 8% margin on the left side of the page. now he has to type 23 pages with 49 lines on each page which he leaves 25% more margin than before. how much time is now required to type these 23 pages
CBSE X Maths Quadratic Equations
At t mins past 2 pm the time needed by the minutes hand and a clock to show 3 pm was found to be 3 mins less than t^2/4 mins . Find t.
Answer is given in solution but i m not able to understand . Explain me with suitable statement .
ICSE X Maths Ratio and Proportion
3 men and 5 boys can do 19/20 th part of a work in 3 days. 4 men and 18 boys can do 14/15 th part of the work in two days. How many days does a boy to finish the whole work ?
3 men and 5 boys can do 19/20 th part of a work in 3 days. 4 men and 18 boys can do 14/15 th part of the work in two days. How many days does a boy to finish the whole work ?
Gujarat - Gujarati Medium IX ગણિત ગણક્રિયાઓ
4 hrs after a goods train passed a station, another train travelling at a speed of 72 km/hr following that goods train passed through that station. If after
passing the station the train overtakes the goods train in 8 hours. What is the speed of the goods train?
Gujarat - Gujarati Medium IX ગણિત ચતુષ્કોણ
QID : 63 - Meghnad can do a piece of work in 45 hours. If he is joined by Jayshri, who is 50% more efficient, in what time will they together finish the work?
CBSE X Maths Arithmetic Progression
If 24 clerks can clear 180 files in 15 days , then the number of clerks required to clear 240 filesin 12 days, is
- 38
- 40
- 42
- 44
- 38
- 40
- 42
- 44