Question

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Answer 1

Explanation:

Question:-

Match the following:-

Column 1 :-

• Aryabhatta

• Human kidney stone

• Vitamin D

• Affinity for water

• SI unit of energy

Column 2 :-

• 1975

• Calcium Oxalate

• Joule

• Fat soluble

• Hydrophilic

Answer:-

The correct pairs are:-

1. Aryabhatta - 1975

2. Human kidney stone - Calcium Oxalate

3. Vitamin D - Hydrophilic

4. Affinity of water - Fat soluble

5. SI unit of calorific energy - Joule

Reason:-

For pair no. 1 :-

Aryabhatta is a satellite which has been launched in 1975 for the purpose of communication and telecasts.

For pair no. 2 :-

Human kidney stone is a group of small crystals that forms in our kidney due to high dilute solutions urine, calcium oxalate and many other acids.

For pair no. 3 :-

Vitamin D is Hydrophilic means that it can dissolve in liquids and solids much easier than other vitamins.

For pair no. 4 :-

Water has a great power of making any matter soluble in it and this property is called the affinity of water.

For pair no. 5 :-

Every energy form that exists in nature has it's SI unit which helps us to calculate it's value or average amount. Therefore,the SI Unit of Energy is Joule.

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Hope it helps you....

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Answer 2

Let c.p of one be x

The c.p of other be. y

S.p of first=x(120/100)=6x/5

S.p of other=y(80/100)=4y/5

Total c.p=x+y

Total s.p=(6x+4y)/5

6x/5=4y/5 (given)=3x=2y

Now c.p=x+3x/2=5x/2

S.p=(6x+6x)/5=12x/5

Loss=c.p-s.p=20 (given)

5x/2-12x/5=20

X/10=20

X=₹200

Y=(3/2)200=₹300