Question

(16) Find cube root : 512.

(17) 72% of 25 students are good in mathematics. How many are not good in mathematics?

OR

(17) If Chameli had Rs. 600 left after spending 75% of her money, how much money did she

have in the beginning? ​

Answer 1

Answer:

16-8

17-18

17-2400

Step-by-step explanation:

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Answer 2

Answer:

/1\ 8

/2\ It means 100-72=28% of are not good

in maths 28% of 25 = 7 so 7 students

are not good in maths

/3\ money left = 100-75=25%

25% of a number is 600

so the number is 600×100/25=2400

do money in the beginning was 2400