MEDIUM
SSC CGL Tier 1
IMPORTANT
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In what time would a cistern be filled by three pipes whose diameters are 1 cm, 113 cm & 2 cm, running together, when the largest alone can fill it in 61 minutes, the amount of water flowing in by each pipe being proportional to the square of their diameter ?

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Important Questions on Arithmetic

MEDIUM
SSC CGL Tier 1
IMPORTANT
Embibe Quantitative Aptitude>Chapter 1 - Arithmetic>Exercise 12>Q 28
15 men or 24 women or 36 boys can do a piece of work in 12 days, working 8 hours a day, how many men must be associated with 12 women and 6 boys to do another piece of work 214 times as great in 30 days working 6 hours a day?
HARD
SSC CGL Tier 1
IMPORTANT
Embibe Quantitative Aptitude>Chapter 1 - Arithmetic>Exercise 12>Q 29
A contractor engaged 100 labourers for construction work to be completed in 96 days. But only 17th of the work was done in 16th of the scheduled time. The additional number of labourers that will be required to complete the work in time is:  
EASY
SSC CGL Tier 1
IMPORTANT
Embibe Quantitative Aptitude>Chapter 1 - Arithmetic>Exercise 12>Q 30
A and B undertook to do a piece of work for ₹4500. A alone could do it in 8 days and B alone in 12 days. With the assistance of C they finished the work in 4 days. Then  C's share of the money is-
EASY
SSC CGL Tier 1
IMPORTANT
Embibe Quantitative Aptitude>Chapter 1 - Arithmetic>Exercise 12>Q 31
A, B and C can do a piece of work in 15 days. After all the three worked for 2 days, A left. B and C worked for 10 more days and B left. C worked for another 40 days and completed the work. In how many days can A alone complete the work if C can complete it in 75 days?
EASY
SSC CGL Tier 1
IMPORTANT
Embibe Quantitative Aptitude>Chapter 1 - Arithmetic>Exercise 12>Q 32
A and B together can do a piece of work in 30 days. A having worked for 16 days, B finishes the remaining work alone in 44 days. In how many days shall B finish the whole work alone?
HARD
SSC CGL Tier 1
IMPORTANT
Embibe Quantitative Aptitude>Chapter 1 - Arithmetic>Exercise 12>Q 33
A village road is to be constructed by a team of 250 workers. After 12 days it was found that only 2/7th part of the work was completed. To complete the rest in another 25 days, how many more workers should be employed?
MEDIUM
SSC CGL Tier 1
IMPORTANT
Embibe Quantitative Aptitude>Chapter 1 - Arithmetic>Exercise 12>Q 34
2 men and 3 boys can do a piece of work in 10 days while 3 men and 2 boys can do the same work in 8 days. In how many days can 2 men and 1 boy do the same work?
MEDIUM
SSC CGL Tier 1
IMPORTANT
Embibe Quantitative Aptitude>Chapter 1 - Arithmetic>Exercise 12>Q 35
A can do a piece of work in 20 days, B in 15 days and C in 12 days. How soon can the work be done if A is assisted by B on one day and by C on the next alternately?