Advertisements
Advertisements
Question
What per cent of 1 hour is 30 minutes?
Advertisements
Solution
Let x% of 1 h be 30 min.
Then, `x/100 xx 1 h` = 30 min
⇒ `x/100 xx 60` min = 30 min ...[∵ 1 h = 60 min]
⇒ `x = (30 xx 100)/60`
∴ x = 50%
Hence, 50% of 1 h is 30 min.
APPEARS IN
RELATED QUESTIONS
Find: 25% of 10 kg
In an objective type paper of 150 questions; John got 80% correct answers and Mohan got 64% correct answers.
(i) How many correct answers did each get?
(ii) What percent is Mohan’s correct answers to John’s correct answers?
Rewrite the underlined part using percentage language.
Aparna scored 7.5 points out of 10 in a competition
12% of 250 litre is the same as ________ of 150 litre
If 48% of 48 = 64% of x, then x =
A man travelled 80 km by car and 320 km by train to reach his destination. Find what percent of total journey did he travel by car and what percent by train?
Savitri obtained 440 marks out of 500 in an examination. She secured ______% marks in the examination.
Find the value of x if 45% of marks x is 405.
Find out 8% of 25 kg.
What does the term ‘percent’ mean?
