Скачать или смотреть Problem Solving | Cadetship Test Review Material [Mathematics] part5

How much water must be added to 25 liters of 65% salt solution to reduce it to 25% solution?
a. 42
b. 38
c. 36
d. 40

The sum of two numbers is 78. Their difference is 4. Find the two numbers.
a. 36, 42
b. 40, 36
c. 34, 42
d. 32, 46


part1:    • Geometry | Cadetship Test Review Material ...  
part2:    • Geometry | Cadetship Test Review Material ...  
part3:    • Geometry | Cadetship Test Review Material ...  
part4:    • Problem Solving | Cadetship Test Review Ma...  

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