Out of 12 persons, 11 spend Rs.2000 monthly each. The twelfth person spends Rs.110 more than the average spending of the 12 people. How much money does the twelfth person spend?

1:

. Rs.2200

2:

Rs.2120

3:

Rs.3300

4:

Rs.1800

5:

Rs.2010

Total spending of 11 persons = 2000 $×$ 11 = 22000

Let the spending of the 12_{th }person be x

Then,

the average spending of the 12 persons = x - 110

(x - 110) = $1222000+x $

⇒ 12x - 1320 = 22000 + x ⇒ 11x = 23320

⇒ x = Rs 2120

This has been asked in Question Paper

SBI PO Prelims 2017

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