CREST Olympiads - CRO PDF Sample Papers for Class 10

Q.1

Study the following information carefully and answer the question given below:
(i) 'pa ki top ma' means 'Usha is playing cards'.
(ii) 'kop ja ki ma' means 'Asha is playing tennis'.
(iii) 'ki top sop ha' means 'they are playing football'.
(iv) 'pa sur kop' means 'card and tennis'.

Which of the following represents 'tennis' in that language?

Q.2

If 'GERMANY' is written as '7, 5, 18, 13, 1, 14, 25', how can 'FRANCE' be written in that code?

Q.3

If 'blue' is called 'green', 'green' is called 'white', 'white' is called 'red', 'red' is called 'black', then what is the colour of sky?

Q.4

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

Q.5

If '+' means '-', '÷' means '+', '-' means '×' and '×' means '÷', then which of the following equation is correct?

Q.6

In the following question, one number is wrong in the series. Find out the number.

385, 462, 572, 396, 427, 671, 264

Q.7

Six friends are seated on a table built in the shape of a regular hexagon. B, C, E and F are seated relatively closer to A than D is from A. C and E are at the same distance from A. B is seated to the immediate left of C but not adjacent to D. Who is sitting between E and C?

Q.8

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'?

Q.9

In making decisions about important question, it is desirable to be able to distinguish between 'strong' arguments and 'weak' arguments. 'Strong' arguments are those which are both important and directly related to the question. 'Weak' arguments are those which are of minor importance and also may not be directly related to the question or may be related to a trivial aspect of the question. Each question below is followed by two arguments numbered I and II. You have to decide which of the arguments is a 'strong' argument and which is a 'weak' argument?

Statement- Should luxury hotels be banned in India?
Arguments
I. Yes, these are places from where international criminals operate.
II. No, affluent foreign tourists will have no place to stay.

Q.10

Amongst four friends Sakshi, Bhumika, Gitika and Chetna, Bhumika is taller than Chetna but not taller than Sakshi, Gitika's height is shorter than that of Sakshi. Which of the following is not possible?