Skip to content

Course home

Probability

Probability

EasyMediumHard
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166
Question 143

Raphael buys one raffle ticket.

The probability that Raphael's ticket will win the raffle is 1250\displaystyle \frac{1}{250}2501​. One of these tickets will win the raffle. Each ticket has an equal chance of winning the raffle.

a.

Write down the total number of raffle tickets sold.

[1]
b.

Write down the number of tickets that will not win the raffle.

[1]
Markscheme

Probability Questions

  1. GCSE
  2. /Maths
  3. /Probability

236 exam-style questions on OCR GCSE Maths Probability. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank