IBPS PO Prelims Model Paper 4 with solutions

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Directions (46–50) : Study the following graph and adjoining table carefully to answer the questions given below.
A, B, C, D and E are five persons employed to complete a job X.
PersonTime(in‌days)
A2
B—
C3
D—
E2

Notes :
(i) All persons worked on the job X for whole number of days.
(ii) Two jobs Y and Z are similar to job X and require same effort as required by job X.
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Question : 48 of 100
 
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If A, C and E worked on job Z for 2 days each and the remaining job was done by B and D. If the ratio of number of days for which B and D worked is in the ratio 20 : 21, then what is the number of days for which B worked?
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