(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?
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(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?
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Answer:
16-8
17-18
17-2400
Step-by-step explanation:
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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