# CREST Olympiads - CRO PDF Sample Papers for Class 10

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Class 10 sample paper & practice questions for CREST Reasoning Olympiad (CRO) level 1 are given below. Syllabus for level 1 is also mentioned for these exams. You can refer these sample paper & quiz for preparing for the CRO exam. Q.1 Q.2 Q.3 Q.4 Q.5 Q.6 Q.7 Q.8 Q.9 Q.10
 Q.1 Which set of letters completes the second pair in the same way as the first pair? ADJM is to ZWQN, as FKIM is to ___________. a) KPNM b) UPRN c) MPNK d) KPMN
 Q.2 In the given question, a series of letters and numbers is given, the terms of which follow a certain pattern in groups. However, some terms in the series are missing, which are given in the same order as one of the alternatives below the series. Choose the correct alternatives. TP_16_N18_PL_12N_1410 a) R, W, 20, 14, J b) T, 18, 14, P, 10 c) 20, R, 14,16, J d) 21, T, 12, 18, K
 Q.3 Pointing towards photograph, Rohan said, "His sister is the mother of Rohit who is the son of my brother." How Rohan is related to Rohit? a) Uncle b) Father c) Nephew d) Cousin
 Q.4 If 'blue' is called 'green', 'green' is called 'white', 'white' is called 'red', 'red' is called 'black', then what is the colour of sky? a) Blue b) Green c) White d) Black
 Q.5 If 'GERMANY' is written as '7, 5, 18, 13, 1, 14, 25', how can 'FRANCE' be written in that code? a) 6, 18, 1, 14, 3, 5 b) 6, 3, 18, 14, 1, 5 c) 8, 2, 14, 5, 13, 6 d) 8, 16, 14, 3, 1, 5
 Q.6 Pointing to the man in the photograph, Rahul said: "His mother has only one grandchild whose mother is my sister." How is Rahul related to the man in the photograph? a) Father-in-law b) Brother-in-law c) Father d) Brother
 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. Statement- The nation 'X' faced the increased international opposition due to its decision of performing eight nuclear explosions. Conclusions I. The citizens of the nation have favoured the decision.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, there is a certain relationship between two given words on one side of (::). Find the word on the other side so that the second pair has the similar relationship with the first pair. HCM : FAK : : SOD : ? a) QMB b) QIB c) ESQ d) GES
 Q.9 Use the relationships defined below to solve the question.(i) 'P × Q' means 'P is the father of Q'.(ii) 'P * Q' means 'P is the sister of Q'.(iii) 'P + Q' means 'P is the brother of Q'.(iv) 'P - Q' means 'P is the mother of Q'.(v) 'P ÷ Q' means 'P is the son of Q'.(vi) "P = Q' means 'P is the daughter of Q'. If Z × X - Y, then which of the following is true? a) Z is the maternal uncle of Y b) Z is the grandfather of Y c) X is the nephew of Z d) Z is the grandmother of Y
 Q.10 In the following question, choose which number completes the second pair in the same way as the first pair. T/20 : S/19 : : L/12 : ? a) J/10 b) K/11 c) R/18 d) Q/ 17 Sample PDF of CREST Olympiads - CREST Reasoning Olympiad (CRO) PDF Sample Papers for Class 10: