CIE Mathematics Paper-1: Specimen Questions 23 - 25 of 175
Question number: 23
Write in Short
(a) Find the value of y when .
(b) Make “a” the subject of the formula.
Here, equation is where,
Question number: 24
Write in Brief
Hema reached at job at and left at . How long, in hours and minutes, did she spend at job?
Here, Hema reached at job at so from 9 to 12 means 3 hours, from 08: 50 to 9: 00 means 10 minutes, then another 6: 05 means 6 hours and 05 minutes.
So, she spends total of
Question number: 25
Describe in Detail
John buys 25 books for . He sells all the books in the market for 75 cents each.
(a) Calculate the profit or loss he makes.
(b) Calculate the percentage profit or loss he makes on the cost price.
(a) He sells as 75 cent per 1 book.
As we know 1 euro = 100 cent
So, 15 euro =? cent
So, John buys 25 books for 1500 cents (Cost price) and sells (Selling Price).
So, here he gains profit because selling price is more than cost price.
(b) Percentage of profit of cost price (1500)