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A bag contains 50 paisa, 1 rupee and 2 rupee coins in the ratio 2:5:8. If the total amount is Rs. 352, find the total number of coins in the bag?
  1. 240
  2. 160
  3. 200
  4. 250
Explanation

Given ratio: 50 paisa:1 rupee:2 rupee = 2:5:8

Let's assume the number of coins of each denomination are:

50 paisa = 2x

1 rupee = 5x

2 rupee = 8x

Total amount = Rs. 352

The value of coins is:

50 paisa coins = 2x * 0.50 = Rs. x

1 rupee coins = 5x * 1.00 = Rs. 5x

2 rupee coins = 8x * 2.00 = Rs. 16x

Adding these values, we get:

x + 5x + 16x = 352

Combine like terms:

22x = 352

Divide by 22:

x = 16

Now, find the total number of coins:

50 paisa coins = 2x = 2(16) = 32

1 rupee coins = 5x = 5(16) = 80

2 rupee coins = 8x = 8(16) = 128

Total number of coins = 32 + 80 + 128 = 240

So, the correct answer is: 240

Related MCQs

For an MCQ, the proportion correct is 0.70 in the upper group and 0.55 in the lower group. Using D = p_u - p_l, what is the discrimination index?
ایک MCQ کے لیے، اوپری گروپ میں درست کا تناسب 0.70 اور نچلے گروپ میں 0.55 ہے۔ D = p_u - p_l کا استعمال کرتے ہوئے، امتیاز انڈیکس کیا ہے
  1. +0.15
  2. -0.15
  3. +0.85
  4. -0.85
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