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IBPS PO Prelims Model Paper 11

Direction (39–43) : Consider the following table that shows the productivity of five different machines in five working days and another table shows the different price distribution of the produced goods. Study the tables carefully and answer the questions given below.

Productivity table of five different machines in 5 different days

\begin{array}{lcccccc} \text{Days} & \text{A} & \text{B} & \text{C} & \text{D} & \text{E} & \text{Wastages} \\ \text{Monday} & 30 & 25 & 40 & 36 & 28 & 9 \\ \text{Tuesday} & 22 & 34 & 35 & 42 & 50 & 7 \\ \text{Wednesday} & 40 & 26 & 25 & 28 & 30 & 11 \\ \text{Thursday} & 16 & 33 & 28 & 34 & 35 & 7 \\ \text{Friday} & 26 & 25 & 28 & 25 & 30 & 8 \end{array}

Price distribution of the produced goods – in Rupees

\begin{array}{lcccccc} \text{Days} & \text{A} & \text{B} & \text{C} & \text{D} & \text{E} & \text{Wastages} \\ \text{Monday} & 15000 & 10000 & 20000 & 10800 & 7000 & 900 \\ \text{Tuesday} & 7700 & 8500 & 12600 & 12600 & 10000 & 700 \\ \text{Wednesday} & 12000 & 3900 & 5000 & 9800 & 15000 & 1100 \\ \text{Thursday} & 8000 & 13200 & 9800 & 8500 & 14000 & 700 \\ \text{Friday} & 2600 & 5000 & 2800 & 5000 & 6000 & 800 \end{array}

Question : 39 of 100

Marks: +1, -0

What is the average price per unit of all the productions by five machines on Thursday, if the value of wastage is increased by

\frac{1}{2}

nd on the same day? (in Rupees)

Validate

Solution:

Price per Unit on Thursday

\begin{array}{lllllll} \text{Days} & \text{A} & \text{B} & \text{C} & \text{D} & \text{E} & \text{Wastages Increased by 1/2nd} \\ \text{Thursday} & \frac{8000}{16} = 500 & \frac{13200}{33} = 400 & \frac{9800}{28} = 350 & \frac{8500}{34} = 250 & \frac{14000}{35} = 400 & \frac{700}{7} = 100 \times \frac{3}{2} = 150 \end{array}

Required average price per unit = (500 + 350 + 350 + 250 + 400) – 1505 =

\frac{1750}{5}

= Rs. 350

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