Question
Aman takes 36 minutes more than Sudhanshu to cover a
distance of 130 km. If Aman doubles his speed, he takes 42 minutes less than Sudhanshu to cover the same distance. To cover the distance of 195 km, how much time (in hours) will Sudhanshu take with his same speed?Solution
Solution-
For A-
Speed           1     2
Time            2     1
Difference time =36+42=78min
ATQ- 1=78
2=78×2=156min.
Sudhansu takes time =156-36=120min = 2 hours.
Speed =130/2=65km/h
Sudhanshu take time =195/65=3hours.
Which type of insect infests stored grains by laying eggs inside or on the surface of grains?
Which of the following is not a basic principle of food preservation?
What is opportunity cost ?
The incorrect combination of nutrient and deficiency symptom is
ICBN (International Code of Botanical Nomenclature) is related to terminology of_?
Deficiency of which vitamin is prominent in those persons who continuously eat ‘polished rice’?
In tissue culture regeneration of shoot and root occurs by manipulating the balance of:
Size of ordinary rain drop varies from:
Contaminants in cotton are known as
The soils having EC< 4 dsm-1, ESP> 15 and pH more than> 8.5 the soils is_?