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Practice each question, then open the answer or worked solution.
When an improper fraction is converted into percentage then the answer can also be less than 100.
Solution:-
False
For example consider an improper fraction = 9/4
So, percentage of improper fraction = (9/4) × 100
= 225%
8 hours is 50% of 4 days.
Solution:-
False
Let us assume 8 hours be Q% of 4 days
So, 8 = (Q/100) × 4 × 24
Q = 25/3
Q =
The interest on ₹ 350 at 5% per annum for 73 days is ₹ 35.
Solution:-
False
From the question it is given that, P = ₹ 350, R = 5%, T = 73 days = 73/365
As we know that,
I = (P × R × T)/100
I = (350 × 5 × 73)/ (100 × 365)
I = ₹ 3.5
The simple interest on a sum of ₹ P for T years at R% per annum is given by the formula: Simple Interest = ((P × R × T)/100)
Solution:-
True
75% = (4/3)
Solution:-
False
Because, 75 % = 75/100
= ¾
12% of 120 is 100.
Solution:-
False
= (12/100) × 120
= 1440/100
= 14.4
If Ankita obtains 336 marks out of 600, then percentage of marks obtained by her is 33.6.
Solution:-
False
From the question it is given that,
Ankita obtains 336 marks out of 600
So, percentage of marks = (336/600) × 100
= 0.56 × 100
= 56%
0.018 is equivalent to 8%.
Solution:-
False
0.018 × 100 = 1.8%
50% of ₹ 50 is ₹ 25.
Solution:-
True.
= (50/100) × 50
= 0.5 × 50
= ₹ 25
250 cm is 4% of 1 km.
Solution:-
False
250 cm = 250/100
= 2.5 m
We know that, 1 km = 1000m
Then, 4 % of 1 km = (4/100) × 1000
= 40 m