Related Questions

A person travels a certain distance at 3 km/hr and reaches 15 mi late. If he travels at 4 km/hr reaches 15 min late. If he travels at 4 km/hr reaches 15 min earlier. The distance he has to travel is -
A 8.5 km
B 6 km
C 7.2 km
D 12 km
A motorist estimates that his annual expenditure distance traveled . The cost when he travels 400 km is $100 and when he travels 600 km is $ 125 . The cost when he travels 640 km is -
A $ 130
B $ 125
C $133
D $165
Cost which remains unchanged, in proportion to level total volume of production is classified as
A total cost
B infeasible cost
C fixed cost
D variable cost
The length of a rectangle is increased by 25% . By what percentage should the width be decreased so that the area of the rectangle remains unchanged ?
A 30%
B 25%
C 20%
D 35%
The length of a rectangle is increased by 25%. What percentage should the width be decreased so that the area of the rectangle remains unchanged?
A 30%
B 25%
C 20%
D 35%
The length of a rectangle is increased by 25% .By what percentage should the width be decreased so that the area of the rectangle remains unchanged?
A 30%
B 25%
C 20%
D 35%
THe population of a town was 54243 in 1975 and 49200 in 1984 . If the rate of chage per thousand per year remains unchanged what was the population in 1989?
A 50108
B 46857
C 48249
D 60000
If an angle of a triangle remains unchanged but each of its two including sides is doubled, then by what factor does the area get multiplied ?
A 2
B 3
C 4
D 6
The feed to fractionating column is changed from saturated vapour to saturated liquid. If the separation and reflux ratio remains unchanged, the number of ideal stages will
A Increase
B Decrease
C Remains same
D Depend on saturated boiling point; may increase or decrease
When equilibrium price rises but equilibrium quantity remains unchanged, the cause is
A Supply and demand both increase equally
B Supply and demand both decrease equally
C Supply decreases and demand increases
D Supply increases and demand decreases

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