CREST Mental Maths Olympiad Class 9 Previous Year Paper
Helping your child prepare for the CREST Mental Maths Olympiad Class 9? Practising past question papers is a smart way to strengthen mental calculation skills and gain confidence before the exam.
Why Practise Previous Year Papers?
Focuses on advanced topics like Number System, Algebra, Comparing Quantities, Playing with Numbers and much more.
Improves speed, accuracy, and logical reasoning, crucial for excelling in Olympiads.
Familiarises students with the exam format to reduce anxiety and boost performance.
Download the Class 9 CREST Mental Maths Olympiad Previous Year Paper PDF and support your child's practice for better results!
The cost of an article including the sales tax is $616. The rate of sales tax is 10%, if the shopkeeper has made a profit of 12%, then find the cost price of the article.
Q.2
Express 3.14 into a mixed fraction.
Q.3
An equilateral triangle is cut up into smaller equilateral triangles with side 1/6 of the original. Find the number of triangles thus formed.
Q.4
Find curved and total surface area of a conical flask of radius 6 cm and height 8 cm.
Q.5
A man rows with a speed of 8 km/h in still water. Find the downstream, if the speed of the stream is 4 km/h.
Q.6
In the given figure, ∠DAC = 30°, ∠CBD = 40°, ∠ADB = y°, and ∠ACB = x°. Find the difference between angles y° and x°.
Q.7
Either 8 men or 17 women can paint a wall in 33 days. Find the number of days required to paint three such walls by 12 men and 24 women working at the same rate.
Q.8
Two pipes can fill a tank in 18 min and 24 min, respectively. Both are opened simultaneously. After how many minutes should the first pipe be closed so that the tank becomes full in 16 min?
Q.9
What is the mean of the test score for a class of students whose scores are 86, 94, 70, 81, 92, 74, 75, 89, 76, and 97?
Q.10
A boat can cover 48 km downstream in 3 h. It can cover a 40 km upstream in 4 h. What is the speed of the boat in still water (in km/h)?
