(c) Time taken to cover first 75 km of distance
=75/25 =3 hours
Time taken to cover next 25 km of distance
=25/5 =5 hours
Time taken to cover last 50 km of its journey
=50/25...
(e) Time taken to cover a distance of 45 kms
=45/15 = 3 hours
Time taken to cover a distance of 50 kms
=50/25 = 2 hours
Time taken to cover distance of 25...
(b)
Books
Covers
Volume
Law/Medical
A
Yellow
New
Law
B
Green
New
Law
C
Green
Old
Law
D
Yellow
New
Medical
E
Green
Old
Medical
F
Green
Old
Medical
Therefore, E and F are old medical extracts and have green covers.
(a) The distance of moon from the Earth is 364 thousands kms. The Moon is the only natural satellite of the Earth and the fifth largest moon in the Solar...