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*********UNITARY METHOD*********
| Unitary method: This method is used when comparision is done between two quantity related with each other. |
Unitary mrthod:This method is applicaple for those problems where ratio of two quantity is fixed |
********CHECK OUT SOLVED EXAMPLES********
| 1.Mohan buys 200 pens at Rs.750.Find the cost of 1 pen. Ans:Cost of 200 pens = 750
cost of 1 pen = (750/200)=Rs 3.75
check the answer!!! |
2)Sohan has 30 baskets of choclates each basket has 560 choclates.How many choclates does Soham has?
Ans:1 basket = 560 choclates.
30 baskets = 560*30=16800 choclates
check the answer!!! |
3.Record of number of pen and its cost is given below.Find the value of a.
Number of pen: 1 3 a
Cost of Pen: 30 90 150
Ans:30 Rs.= 1 pen
1 Rs = (1/30)pen 150 Rs=150*(1/30)=5 pen a= 5 check the answer!!! |
4.Find then cost of 50 eggs when one dozen egg costs 60 Rs.
Ans:12 eggs = 60
1 egg = (60/12)=5 50 eggs = 5*50 = Rs.250 check the answer!!!
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********TRY BY YOURSELF********
Q1.The speed of the train is 35 km/hr.Find the distance covered by train at 35 minutes.
no of Oranges: 1 9 a
cost of oranges: 10 90 150
Find a
T.V(in inches): 16 18 22 32
cost of oranges(in Rs.): 10,500 13,000 18,000 b
Find b.
Ans: 1)0.6km 2)16cm 3) Rs12.5 4)Rs 6 5)a=15 6)b=Rs.35,500 7)2.5hr 8)6 sec