Related Questions

The price of sugar increases by 32%. A family reduces its consumption so that expenditure of the sugar is up by 10% only. If the total consumption of sugar before the price rise was 10 kg per month, then the consumption of sugar per month is approximately-
A 8.33 kg
B 8.5 kg
C 8.35 kg
D 8.73 kg
After the increase of price of oil by 40%, a family decided to reduce its oil consumption so that the expenditure for oil goes up by 26% only. If the total consumption of oil before the price rise was 10 kg per month, then what is the current consumption of oil per month (in kg)?
A 8
B 8.50
C 9
D None of these
Train X leaves Dhaka at 10:00 AM and travels East at a constant speed of x miles per hour . If another Train Y leaves Dhaka at 11:30 AM and travels east along the same tracks at speed 4x/3 , then at what time will Train Y catch Train X ?
A 4 PM same day
B 2 PM same day
C 6 PM same day
D 1 PM same day
A train of length 150 m takes 10 seconds to cross another train 100 m long coming from the opposite direction . If the speed of first train is 30 km / hr, what is the speed of second train?
A 48km /hr
B 54 km / hr
C 60 km / hr
D 72 km / hr
A train can cross another train of equal length coming form the opposite direction with the speed of 108 km/h in 3 minutes . The speed of the other train is 90 km/h. Find the length of the train .
A 5940 m
B 5490 m
C 4950 m
D 4590 m
Two trains P and Q are moving in opposite direction at a rate of 36 km/hr and 45 km/hr respectively. A passenger is sitting in train P, finds that his train passes train Q in 8 seconds. What is the length of train Q?
A 195 m
B 175 m
C 190 m
D 180 m
Two trains , X and Y, started simultaneously form opposite ends of a 100 mile route and traveled toward each other on parallel tracks. Train x , travelling at a constant rate, completed the 100 mile trip in 5 hours, Train Y, travelling at a constant rate , completed the 100 mile trip in 3 hours .How many miles had Train X traveled when it met Train Y?
A 37. 5
B 40
C 60
D 62. 5
Ms. Rahena needs to get from Town C. The only was to get Town C is taka a bus from Town A to Town B and then take a train from Town B to C. The bus leaves Town A at 8.00 am and reaches Town b after 212 hours. The first train leaves Town B at 9.00 am and then there is a train every 50 minutes. The train reaches Town C 40 minutes after its departure . If Ms. Rehana leaves Town A at 8.00 am, When is the earliest she would arrive at Town C?
A 11:10 am
B 11.20 am
C 12.00 noon
D 10.30 am
Energy consumption in propelling the train is required for which of the following?
A Work against the resistance to motion
B Work against gravity while moving up the gradient
C Acceleration
D All of the above
In the decade there has been significant decrease in coffee consumption.During this same time, there has been increasing publicity about the caffeine in coffee's adverse long term effects on health. Therefore, the decrease in coffee consumption must have been caused by consumer's awareness of the harmful caffeine. Which of the following, if true,most seriously calls into question the explanation above ?
A On average,people consume 30% less coffee today than they did 10 years ago
B Sales of specialty types of coffee have held steady as sales of regular brands have declined
C The consumption of fruit juice and caffeine-free herbal tea has increased over the decade
D Coffee prices increased steadily in the past decade because of unusually severs frosts in coffee-growing nation's.

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