# Quantitative aptitude trick for clerical and bank po examinations

**(6)What was the average number of A type cars sold by the company in 2008,2010 and 2012 together?**

**Step 1:**Count the number of parts in 2008,2010 and 2012

**Step 2:**Add the number of parts of 2008,2010 and 2012

**Step 3:**Multiply the result obtained in step 2 by the scale

**Step 4:**Divide the result obtained in step 3 by the number of years

**Step 5:**Multiply the result obtained in step 4 by original units of expression(in this example it is1production in thousands)

Finding the number of parts in 2008,2010 and 2012

Number of parts of A type cars in 2008=3

Number of parts of A type cars in 2010=8

Number of parts of A type cars in 2012=6

Adding all the parts of A type cars in 2008,2010 and 2012

We get,

3+8+6=17

Multiplying the result by the scale(5)

we get,17 x 5=85

Dividing the result by number of years(3)

we get,85/3=28.333333

Multiplying the result by 1000

we get,28333

**Ans Average =28333 approximately**

This is an approximate answer so we can select an option closest to this number.

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