Pradeep and Nikku started work Pradeep worked at 120 of his efficiency and Nikku at 5 6 of his norma...........

Quantitative Aptitude ( CCS) Time and work

Directions : Read the below data carefully and answer the following questions :

The line graph indicates the no. of days taken by six boys to complete a work.

The chart below shows the number of days taken by six girls to complete a work.

Pradeep and Nikku started work. Pradeep worked at 120% of his efficiency and Nikku at 5/6 of his normal routine work. They started work on alternate days starting with Pradeep. How many days will be taken by them to complete the work?

10( 4/5) days

10( 5/6 )days

10( 3/4) days

11 days

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Explanation:

Pradeep’s one day’s work ………..180/12 = 15 units
N one day’s work…………….180/10 = 18 units
now, Pradeep works at 120% of 15 = 18 units
Nikku at 5/6 of 18 = 15 units
Pradeep + Nikku’s 2 days’ work = 33
In 10 days ……………….33*5 = 165 units
Remaining ………15 units ….Pradeep does…18 days a day so to do 15 units He will take 5/6 days therefore total time taken = 10(5/6) days