Ramesh studies in jnv surendranagar , gujarat. There are 250 students in the school. For a P.T. drill they have to stand in a such a manner that the number of students in a row is equal to number of rows .
Ramesh found that some students were left from the P.T. these students were sent for plantation in the school.
(i) How many students rows were in the PT?
a) 12.
b) 16.
c) 15.
d) 10.
ii) how many students were in a row?
a) 14.
b)12.
c)16.
d)15.
iii) how many students in the PT?
a)212.
b)115.
c)216.
d)225.
iv) what is the square root of 225?
a)25.
b)15.
c)13.
d)23.
v) 25 students were sent for plantation. a)True.
b) False
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Answer:
i) 15 rows of students
ii) 15 students in each row
iii)225 students
iv) 15
v) true
Step-by-step explanation:
total students -- 250
for maximum no. of rows
x² > 250
here, x must be a whole number.
14²= 196
15²= 225
16² = 256
since 256 is greater than 250,
i) maximum no of rows are 15
ii) no of rows = no. of students in each row
no. of students in each row = 15
iii) no of students in P.t
= no. of rows × no. of students in each row
= 15 × 15
= 225
iv)√225 = 15
v) students sent to plantation
=total students - students in P.t
=250 - 225
= 25 students