. A person has a sum of Rs 30, which is made up of rupee coins, 10 paise coins and 5 paise coins. There are dozen more 10 paise coins than rupee coins, and there are twice as many 5 paise coins. How many coins does he have in all? (1) 20 (2) 30 (3) 108 (4) 50
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Answered by
1
Step-by-step explanation:
Correct option is
B
54 of 10 p coins and 126 of 25 p coins
Given : Total no of coins =180
Let, the no of 10 paise coins x
No of 25 paise coins =180−x
Value of 10 paise coins =10x
Value of 25 paise coins =25(180−x)
A.T.Q,
10x+25(180−x)=3690
⟹10x+4500−25x=3690
⟹4500−3690=25x−10x
⟹15x=810
⟹x=
15
810
=54
∴ No of 10 paise coins =54
No of 25 paise coins =180−54=126
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Answered by
1
Answer:
x=3
Step-by-step explanation:
no. of rupee coins=6 ; no.of 5 pairs coins =12 ; no. of 10 pisa coins =18
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