SSC CGL 17 Aug 2021 Shift 1 Paper

Question : 24 of 100

Marks: +1, -0

Rajesh purchased 6 mangoes, 3 bananas and 10 guavas in

₹ 136

. If the ratio of the cost (per piece) of mangoes, bananas and guavas is

3: 2: 1

, what will be the total cost of 1 mango, 2 bananas and 3 guavas?

Solution:

Cost ratio of
Mango : Banana : Guavas

=3: 2: 1

Total rupees

=₹ 136 .

So, 6 mangoes

+3

bananas

+10

guavas

=136

⇒ 6 × 3 x+3 × 2 x+10 × x=136

⇒ \;\; 18 x+6 x+10 x=136

⇒ \;\; 34 x=136

x=4

Now, cost of 1 mango

+2

bananas

+

3 guavas

\;\; =1 × 3 x+2 × 2 x+3 × x

\;\; =1 × 3 × 4+2 × 2 × 4+3 × 4

=12+16+12

=₹ 40

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