MATH NOTES PUNJAB TEXT BOOK
CLASS 6
6th Class Mathematics Notes (Unit 5) for Punjab School / Punjab Education Department HA Muhammad for class 6 / Middle level. These notes are according to present day syllabus / Path prescribed through Punjab Education Department. Punjab Government, Sargodha.
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6th Class Mathematics Notes (Unit 5) for Punjab School, Sargodha.
CHAPTER : 5
EXERCISE # 5.2
QUESTION # 9
The price of a chemical of 16 kg weight is Rs 1429.60. What is the price of 11.4 kg chemical ?
SOLUTION :
Price of 16 kg chemical = 1429.60 Rs
Price of 1 kg chemical = 1429.60 / 16 × 11.4
= 89.35 × 11.4
= 1018. 59 Rs
Hence, the price of 11.4 kg chemical is Rs 1018.59.
QUESTION # 10
Sadaf bought 2.25 kg beef at the rate of Rs. 160 kg per kg . 0.75 kg mutton at the rate of Rs 350 per kg and 2.35 kg chicken at the rate of Rs 170 per kg . What amount does she have now out of Rs. 1000 ?
SOLUTION :
Rate of beef per kg = Rs 160
Rate of 2.25 kg beef = 160 × 2.25
= Rs 360
Rate of mutton per kg = Rs 350
Rate of 0.75 mutton = 350 × 0.75
= Rs 262.5
Rate of chicken per kg = Rs 170
Rate of 2.35 kg chicken = 170 × 2.35
= Rs 399.5
Total price of meat = 360 + 262.5 + 399.5
= Rs 1022
Hence, she need Rs 22 more to buy the meat .
Exercise complete....
Note:
We are providing all subjects notes from 6 to 10 and College / University level, Sargodha and Punjab Board.
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