Take mental calculation skills to the next level with the CREST Mental Maths Olympiad Sample Paper for Class 9. Crafted to support high school students, this sample paper encourages analytical thinking and speed-based problem-solving.
Download the Class 9 CREST Mental Maths Olympiad Sample Paper PDF and get a head start on scoring high in competitive maths assessments.
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Number System
Algebra
Comparing Quantities
Geometry
Mensuration
Playing with Numbers
Data Handling
Q.1 | Q.2 | Q.3 | Q.4 | Q.5 | Q.6 | Q.7 | Q.8 | Q.9 | Q.10 |
Q.1 |
The marked price on an item was $3000 but the shopkeeper offered a double discount of 30% and 20%. How much did he finally sell the item? |
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Q.2 |
Solve: |
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Q.3 |
Write the decimal expansion of the following number which have terminating decimal expansion: 8/5 |
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Q.4 |
The population of the town is 352800. If it increases at the rate of 5% per annum, then what will be its population for 2 years hence? |
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Q.5 |
In a school, the average age of students is 6 years, and the average age of 12 teachers is 40 years. If the average age of the combined group of all the teachers and students is 7 years, then the number of students is: |
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Q.6 |
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)? |
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Q.7 |
In the given figure, ∠DAC = 30°, ∠CBD = 40°, ∠ADB = y°, and ∠ACB = x°. Find the difference between angles y° and x°. ![]() |
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Q.8 |
What is the coefficient of x² in the polynomial P(x) = 3x³ + 10(x – x²) – 5x² – 2? |
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Q.9 |
In a pack of 52 cards, what is the probability of getting a face card? |
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Q.10 |
Rexon and Sam started a business initially with $14200 and $15600, respectively. If total profits at the end of year is $74500, what is Rexon’s share in the profit? |
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Answers to Sample Questions from CREST Olympiads:
Q.1 : a | Q.2 : b | Q.3 : a | Q.4 : b | Q.5 : d | Q.6 : a | Q.7 : b | Q.8 : b | Q.9 : c | Q.10 : a