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Solve the following : A cargo of grain is insured at (34)% to cover 70% of its value. ₹1,008 is the amount of premium paid. If the grain is worth ₹12 per kg, how many kg of the grain did the cargo - Mathematics and Statistics

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Question

Solve the following :

A cargo of grain is insured at `(3/4)`% to cover 70% of its value. ₹1,008 is the amount of premium paid. If the grain is worth ₹12 per kg, how many kg of the grain did the cargo contain?

Sum

Solution

Let the property value of cargo be ₹ x.
Since, cargo is insured to 70% of its value,
∴ Policy value = 70% of property value

= `(70)/(100) xx x`

= `₹ (7x)/(10)`

Rate of perimum = `(3)/(4)`%

Amount of perimum = ₹1.008.

∴ Amount od premium = `(3)/(4)`% of policy value

∴ 1,008 = `(3)/(4) xx (1)/(100) xx (7x)/(10)`

∴ x = `(1008  xx 4 xx 100 x 10)/(3 xx 7)`
∴ x = ₹1,,92,000
∴ Property value of cargo is ₹,92,000,
i.e., cargo contains grain of ₹1,92,000.
Price of grain is ₹12 per kg.

∴ Capacity of cargo = `"Value of cargo"/"Price of 1kg grain"`

= `(192,000)/(12)`
= 16,000 kgs
∴ Cargo contains 16,000 kgs of grains.

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Chapter 2: Insurance and Annuity - Miscellaneous Exercise 2 [Page 30]

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Balbharati Mathematics and Statistics 2 (Commerce) [English] 12 Standard HSC Maharashtra State Board
Chapter 2 Insurance and Annuity
Miscellaneous Exercise 2 | Q 4.08 | Page 30

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Property value = ₹ 12,50,000

Rate of premium, r = ₹ 3%

If property is fully insured, the policy value is same as property value therefore policy value = `square`

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= `square/100 xx 12,50,000`

= `square`


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Amount of money paid in 10 years = `square`

Annualized average rate per bonus = ₹ 20 per thousand per year

For one year, bonus = `square/1000 xx 80,000`

= ₹ 1,600

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= ₹ 16,000

Total amount after 10 years = `square + 16000`

= ₹ `square`


Property value = ₹ 12,50,000

Rate of premium, r = ₹ 3%

If property is 80% insured

Policy value = 80% of its property value

= `square/100 xx 12,50,000`

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