(D)
800000
A tank, 30 m long, 20 m broad and 12 m deep,
is dug in a field which is 500 m long and 30 m
wide. By how much will the level (in m) of the
field rise if the earth dug out is evenly spread
on the remaining part of the field ?
(A) 0.33
(B) 0.50
3oxrov
Good
(D) 0:40
(C) 0.25
72
1200
Answers
Answered by
0
Answer:
Let the complementary angles be x and (90
o
−x).
Then, 2x=3(90
o
−x)
⇒ 2x=270
o
−3x ⇒ 5x=270
o
⇒ x=
5
270
o
=54
o
∴ The two angles are 54
o
, 36
o
Answered by
0
Answer:
4.8m²
Step-by-step explanation:
area of field = l*b
50*30
1500
level of field rise = 7200/1500
4.8 sq. m
answer 4.8 sq. m
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