SSC CGL Tier II 25 Oct 2015 Paper 1

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Directions (5–9) : The following graph shows production (in thousands) of two types (P and Q) of vehicles by a factory over the years 2009 to 2014. Study the graph and answer the given questions.

Question : 15 of 100

Marks: +1, -0

A and B have their monthly incomes in the ratio 8 : 5, while their monthly expenditures are in the ratio 5 : 3. If they have saved Rs. 12,000 and Rs. 10,000 monthly respectively, then the difference in their monthly incomes is

Rs. 52,000
Rs. 42,000
Rs. 44,000
Rs. 46,000

Validate

Solution:

(2) A’s monthly income = Rs. 8x
A’s monthly expenditure = Rs. 5y
B’s monthly income = Rs. 5x
B’s monthly expenditure = Rs. 3y
According to the question,
8x – 5y = 12000 ....(i)
5x – 3y = 10000 ....(ii)
By equation (i) × 3 – (ii) × 5,
24x – 15y = 36000...(iii)
25x – 15y = 50000...(iv)
(iii) - (iv) we get

-x=-14000

⇒ x=14000

Difference between monthly incomes of A and B = 8x – 5x

=

Rs.

3 x=

Rs.

(3 × 14000)

=

Rs. 42000

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