Master complex mental calculations with the CREST Mental Maths Olympiad Sample Paper for Class 12. This sample paper is tailored for advanced learners aiming to boost speed, accuracy, and logical reasoning in high-level math competitions.
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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 |
Simplify: |
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Q.2 |
A and B enter into a partnership with capitals in the ratio 5 : 6. At the end of 8 months, A withdraws his capital. If they receive profits in the ratio of 5 : 9, find how long B's capital was used. |
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Q.3 |
What will come in place of question mark (?) in the number series? |
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Q.4 |
One year ago, the ratio of Harry and Sam age was 6 : 7 respectively. Four years hence their ratio would become 7 : 8. How old is Sam? |
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Q.5 |
The cost of fencing a circular field at the rate of $10 per meter is $440. What is the radius of the circular field? |
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Q.6 |
In a triangle ABC, s is the semi-perimeter and a, b, and c are the sides of the triangle. If a = 3b = 6c, then s = z × c. Identify z: |
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Q.7 |
In the adjoining figure, find the value of semi perimeter for ∆ABD and ∆BCD . ![]() |
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Q.8 |
In figure, ∠PEB = 50o and AB || CD, then find the value of x. ![]() |
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Q.9 |
In the figure, find the value of CF. ![]() |
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Q.10 |
Convert this recurring fraction to decimal: |
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Answers to Sample Questions from CREST Olympiads:
Q.1 : d | Q.2 : b | Q.3 : d | Q.4 : d | Q.5 : a | Q.6 : b | Q.7 : d | Q.8 : b | Q.9 : c | Q.10 : c