Q.1 |
If 'A' is coded as 2, 'B' as 4, 'C' as 6 and so on, then which of the following is the numerical value of the word 'ORANGE'? |

a) | 50 |

b) | 80 |

c) | 100 |

d) | 120 |

Q.2 |
Shweta starts from point A and covers 4 km in North-East direction to reach point B, then she turns towards South-East and covers another 4 km to reach point C. Now, she turns towards South-West and travels another 4 km to reach point D. Finally, she turns towards North-West and travels another 4 km to reach point E. Calculate the shortest distance between points A and E. |

a) |
16 km |

b) | 4 km |

c) | 8 km |

d) | 0 km |

Q.3 |
If 'MUMBAI' is coded As '132113219', then how is 'DELHI' written in that code? |

a) |
139213 |

b) | 82369 |

c) | 451289 |

d) | 13689 |

Q.4 |
Study the given relationship and complete the following analogies from the two sets of options given. Square is to (i), as Circle is to (ii) |

a) | CW |

b) | BY |

c) | AZ |

d) | BX |

Q.5 |
Numbers 1-100 are written on two coloured charts, one red and the other green, such that even numbers are written on the red chart and odd numbers are on the green chart. A mathematician selects two prime numbers and finds that the difference of these numbers is also a prime number. He then rubs off these three numbers from the charts. How many numbers are left on the two charts red and green, respectively? |

a) |
48, 49 |

b) | 49, 48 |

c) | 50, 47 |

d) | 47, 50 |

Q.6 |
Pointing towards photograph, Richard said, "His sister is the mother of Harry who is the son of my brother." How Richard is related to Harry? |

a) | Uncle |

b) | Father |

c) | Nephew |

d) | Cousin |

Q.7 |
In the question given below, there is a statement followed by two conclusions numbered I and II. You have to assume everything in the statement to be true, then consider the two conclusions together and decide which of them logically follows beyond a reasonable doubt from the information given in the statement.
II. Some powerful nations do not want that others may become powerful. |

a) |
Only conclusion I follows |

b) | Only conclusion II follows |

c) | Both conclusion I and conclusion II follows |

d) | Neither confusion I nor conclusion II follows |

Q.8 |
In the following question, four figures are given. Three are similar in a certain way and so form a group. Find out which one of the figures does not belong that group. |

a) |
a |

b) | b |

c) | c |

d) | d |

Q.9 |
In the following question, there is a certain relationship between the two given numbers on one side of (: :) and one number is given on another side of (: :) where another number is to be found from the given alternatives, having the same relationship with this number as the numbers of the given pair bear. Choose the best alternatives. 25 : 625 : : 35 : ? |

a) |
1575 |

b) | 1205 |

c) | 845 |

d) | 635 |

Q.10 |
Choose the missing term in the given series. BC, EFG, IJKL, ?, TUVWXY |

a) | NOPQR |

b) | LMNOP |

c) | MNOPQ |

d) | MNLOP |

Your Score: 0/10

**Sample PDF of CREST Olympiads - CREST Reasoning Olympiad (CRO) PDF Sample Papers for Class 10:**

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Answers to Sample Questions from Olympiad Success:

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

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