PYST 9: IB Security Assistant (Executive) Official Paper - Logical Ability & Reasoning (Held On: 29 Sept, 2025 Shift 1) (Previous Year Paper)

Refer to the following letter and symbol series and answer the question that follows. Counting to be done from left to right only.

(Left) GU * MB+£LQCT% @HODK> XZ F # & Y (Right)

How many such symbols are there, each of which is immediately preceded by a letter and immediately followed by a symbol?

Based on the English alphabetical order, three of the following four letter-cluster pairs are alike in a certain way and thus form a group. Which is the letter-cluster pair that DOES NOT belong to that group? (Note: The odd one out is not based on the number of consonants/vowels or their position in the letter-cluster.)

In a certain code language, 'UBER' is coded as '4723' and 'BEIR' is coded as '2478'. What is the code for 'I' in the given code language?

R starts from Point A and drives 2 km towards the south. He then takes a left turn, drives 7 km, turns left and drives 6 km. He then takes a left turn and drives 14 km. He takes a final left turn, drives 4 km and stops at Point P. How far (shortest distance) and towards which direction should he drive in order to reach Point A again? (All turns are 90-degree turns only, unless specified.)

Seven boxes, A, B, C, M, N, O and T, are kept one over the other but not necessarily in the same order. Only two boxes are kept below N. Only three boxes are kept between N and A. Only B is kept below C. O is kept at one of the positions above T and at one of the positions below M. How many boxes are kept between M and T?

If ‘A’ stands for ‘÷’, ‘B’ stands for ‘×’, ‘C’ stands for ‘+’ and ‘D’ stands for ‘−’, what will come in place of the question mark (?) in the following equation?

23 B 4 D 45 A 9 C 11 = ?

Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.

Statements:

Some crows are eagles.

Some eagles are herons.

Conclusions:

(I): Some crows are herons.

(II): All herons are eagles.

In a certain code language,

A# B means 'A is the daughter of B',

A@B means 'A is the father of B',

A + B means 'A is the son of B',

and A & B means 'A is the sister of B'.

How is B related to W if 'B @F+R & H# W'?

A, B, C, D, E, F and G are sitting around a circular table facing the centre.

Only one person sits between C and F when counted from the right of C. Only one person sits between F and E. Only one person sits between C and D. Only two people sit between G and E. Only one person sits between B and D. How many people sit between D and F when counted from the right of F?

Based on the English alphabetical order, three of the following four letter-cluster pairs are alike in a certain way and thus form a group. Which letter-cluster pair DOES NOT belong to that group?

(Note: The odd one out is not based on the number of consonants/vowels or their position in the letter-cluster.)

What should come in place of the question mark (?) in the given series?

16,25,43,70,106 ?

In a certain code language,

A + B means 'A is the sister of B',

A@B means 'A is the brother of B',

A# B means 'A is the wife of B',

and A ÷ B means 'A is the father of B'.

How is W related to U if 'W@E+R÷H#U'?

Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.

Statements:

No hills are mountains.

Some mountains are valleys.

All valleys are glaciers.

Conclusions:

(I) No hills are valleys.

(II) Some mountains are glaciers.

In a certain code language, 'are you here' is written as 'yg ko ws' and 'you were right' is coded as 'ws hj lk'. How is 'you' coded in that language?

What should come in place of the question mark (?) in the given series?

4 13 25 76 151 ?

A, B, C, D, J, K and L are sitting around a circular table facing the centre of the table.

D sits third to the left of L. A sits second to the left of K. L is an immediate neighbour of both B and A. C is not an immediate neighbour of D.

How many people sit between J and A when counted from the right of J?

RX 2 is related to TT -7 in a certain way. In the same way, MQ 9 is related to OM 0. To which of the following is NV 15 related, following the same logic?

Select the set in which the numbers are related in the same way as are the numbers of the following sets.

(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g. 13 - Operations on 13 such as adding to/subtracting from/multiplying with 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)

(11,18,396)

(19,12,456)

Refer to the following number series and answer the question that follows (all numbers are single-digit numbers only). Counting to be done from left to right only.

(Left) 4 7 1 9 0 5 3 8 2 6 1 4 7 9 2 0 3 6 8 5 1 2 7 3 4 (Right)

How many of the numbers are perfect squares?

A, B, C, D and E have different ages. C is older than B but younger than D. Only one person is younger than A. B is not the youngest. Who amongst them is the second oldest?