**Section 1: **Rational Numbers, Squares and Square Roots, Cubes and Cube Roots, Exponents and Powers, Comparing Quantities, Algebraic Expressions and Identities, Linear Equations in One Variable, Understanding Quadrilaterals, Constructions, Mensuration, Visualizing Solid Shapes, Data Handling, Direct and Inverse Variations, Factorization, Introduction to Graphs, Playing with Numbers.

**Achievers Section: **Higher Order Thinking Questions - Syllabus as per Section 1

Q.1 | Q.2 | Q.3 | Q.4 | Q.5 | Q.6 | Q.7 | Q.8 | Q.9 | Q.10 |

Q.1 |
Which of the following sets of numbers is in descending order? |
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Q.2 |
A number when divided by the sum of 555 and 445 gives two times their difference as quotient and 30 as remainder. Find the number: |
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Q.3 |
A sheet is in the form of a rhombus whose diagonals are 10 m and 8 m. Find the cost of painting both of its surfaces at the rate of ₹ 70 per m |
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Q.4 |
The sides of a triangle are 5, 12 and 13 units. A rectangle of width 10 units is constructed whose area is equal to the area of the triangle. Find the perimeter of the rectangle: |
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Q.5 |
Which of the following picture is the correct for the given net? |
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Q.6 |
A person standing on a railway platform noticed that a train took 21 seconds to completely pass through the platform which was 84 m long and it took 9 seconds in passing him. Find the speed of the train: |
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Q.7 |
In an examination, 42% students failed in Hindi and 25% failed in English. If 17% failed in both the subjects, the percentage of those who passed in both the subjects, is |
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Q.8 |
The average weight of 120 students in the second-year class of college is 56 kg. If the average weight of boys and that of girls in the class are 60 kg and 50 kg, respectively, then find the number of boys and girls in the class respectively: |
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Q.9 |
Twelve sided dice is used in adventure games. They are marked with the numbers 1 to 12. The score is the upper most face. If this type of dice is thrown, then what is the probability that the score is a factor of 12? |
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Q.10 |
Kriti took some loan at 6% per annum simple interest during the first year with an increase of 0.5% for each year. After 4 years she paid ₹ 3,375 as interest. How much was the loan? |
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**Sample PDF of CREST Mathematics Olympiad for Class 8:**

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Answers to Sample Questions from CREST Olympiads:

Q.1 : d | Q.2 : a | Q.3 : a | Q.4 : b | Q.5 : d | Q.6 : a | Q.7 : d | Q.8 : c | Q.9 : a | Q.10 : a