MEDIUM
CAT
IMPORTANT
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Three hundred workers are set to build a dam. In 21weeks, they have done 60% of the work, but subsequent rains lasting 4 weeks washed away 25% of what they had done. The job is resumed by 200 workers. What is the additional time it will take to complete the work?

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Important Questions on Arithmetic

MEDIUM
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 35
Tap A can fill a tank completely in, while tap B can empty it in 8 h. However, the operator forgot to close the tap B, and as a result, both the taps 4 h remained open. After , the person realized his mistake and immediately closed the tap B. How much more time would the tank take to get full now?
MEDIUM
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 36
If work done by 2 men are equivalent to work done by 5 women and work done by 2 women are equivalent to work done by 5 children, then in how many days can the work be completed by one man alone if the same work can be completed by I 00 children in 10 days?
MEDIUM
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 37
A certain number of people completed a job in 24 days. If there were 2 persons less, the work would have taken 6 more days. How many persons were there initially?
EASY
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 38

12 men complete a work in 9 days.After they have worked for 6 days,6 more men join them. How many days will they to complete the remaining work ?

EASY
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 39
A certain number of men can finish a piece of work in 100 days. If, however, there were 10 men less, it would take 10 days more for the work to be finished. How many men were there originally?
EASY
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 40
A Zamindar hired a certain number of men to plough his 480 acres of fields. Some of the men did not turn up at the job, and consequently each of those who reported had to plough 20 acres more of the field each than originally planned by the zamindar, assuming equal distribution of labour. How many men were initially appointed and how many abstained from the job?
MEDIUM
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 41
Anoop takes 5 h more than Mayank to build a wall. However, Anoop takes 9 h more than Manoj. Anoop and Mayank together can do the same work in the same time as Manoj . How many hours will Anoop take to do it?
MEDIUM
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 42
A tank can be filled in by two taps A and B in 3 min. However, due to a leakage at the bottom of the tank, it takes 3.5 min to fill the tank. If tank is full, then how much time will the leakage take to empty the tank?