Logical & analytical reasoning: practice set 1

There are four statements X, Y, Z and W. Their relations are as follows:

If X is incorrect, then so is Z; if Y is incorrect, then W is correct; if W is correct, then X is incorrect.

Which of the following is/are correct?

1. I.If X is correct, then so is Y.
2. II.If Z is correct, then it is not necessary that Y is correct.

Select the answer using the code given below.

A person facing the East travels 4 km straight and then turns right and travels 3 km, then further turns left and travels 2 km and finally turns left and travels 3 km. The minimum distance between the final point and the initial point, and the direction in which the person is facing at the final point are, respectively

Consider the following statements:

1. I.If A ≤ B > C < D > E > F ≥ G = H; then B is always greater than E.
2. II.If P > Q = R ≥ S = T ≤ U = V > W; then S is always less than V.

Which of the statements given above is/are correct?

If NO is coded as 210, NOT is coded as 4200 and NOTE is coded as 21000, then how is NOTES coded?

In a certain code if 64 is written as 343 and 216 is written as 729, then how is 512 written in that code?

A Statement is given followed by two Conclusions numbered I and II. Consider the Statement and the Conclusions.

1. Statement: India is the world’s largest producer of milk.
2. Conclusion–I: India is the world’s largest exporter of milk.
3. Conclusion–II: India does not import milk.

Which one of the following is correct?

If in a certain code, ‘ABCD’ is written as 24 and ‘EFGH’ is written as 1680, then how is ‘IJKL’ written in that code?

Consider the following including the Question and the Statements:

There are 5 members A, B, C, D, E in a family.

Question: What is the relation of E to B?

1. Statement-1: A and B are a married couple.
2. Statement-2: D is the father of C.
3. Statement-3: E is D's son.
4. Statement-4: A and C are sisters.

Which one of the following is correct in respect of the above Question and Statements?

Let P, Q, R, S and T be five statements such that:

I. If P is true, then both Q and S are true.

II. If R and S are true, then T is false.

Which of the following can be concluded?

1. 1.If T is true, then at least one of P and R must be false.
2. 2.If Q is true, then P is true.

Select the correct answer using the code given below:

Two Statements followed by four Conclusions are given below. You have to take the Statements to be true even if they seem to be at variance from the commonly known facts. Read all the Conclusions and then decide which of the given Conclusions logically follows/follow from the Statements, disregarding the commonly known facts:

1. Statement–1: All pens are books.
2. Statement–2: No chair is a pen.
3. Conclusion–I: All chairs are books.
4. Conclusion–II: Some chairs are pens.
5. Conclusion–III: All books are chairs.
6. Conclusion–IV: No chair is a book.

Which one of the following is correct?

A Statement followed by Conclusion-I and Conclusion-II is given below. You have to take the Statement to be true even if it seems to be at variance from the commonly known facts. Read all Conclusions and then decide which of the given Conclusion(s) logically follows/follow from the Statement, disregarding the commonly known facts.

1. Statement: Some cats are almirahs. Some almirahs are chairs. All chairs are tables.
2. Conclusion-I: Certainly some almirahs are tables.
3. Conclusion-II: Some cats may not be chairs.

Which one of the following is correct?

Half of the villagers of a certain village have their own houses. One-fifth of the villagers cultivate paddy. One-third of the villagers are literate. Four-fifth of the villagers are under 25 years of age. Which one of the following statements is certainly correct?

Consider the following arrangement that has some missing letters:

abab_b_bcb_dcdcded_d

The missing letters which complete the arrangement are

Two Statements are given followed by two Conclusions:

1. Statements: All numbers are divisible by 2. All numbers are divisible by 3.
2. Conclusion-I: All numbers are divisible by 6.
3. Conclusion-II: All numbers are divisible by 4.

Which of the above Conclusions logically follows/follow from the two given Statements?

What is the missing term @ in the following?

ACPQ: BESU :: MNGI: @

P, Q and R are three towns. The distance between P and Q is 60 km, whereas the distance between P and R is 80 km. Q is in the West of P and R is in the South of P. What is the distance between Q and R?

A joint family consists of seven members A, B, C, D, E, F and G with three females. G is a widow and sister-in-law of D’s father F. B and D are siblings and A is daughter of B. C is cousin of B. Who is E?

1. 1.Wife of F
2. 2.Grandmother of A
3. 3.Aunt of C

Select the correct answer using the code given below:

If LSJXVC is the code for MUMBAI, the code for DELHI is

19 boys turn out for playing hockey. Of these, 11 are wearing hockey shirts and 14 are wearing hockey pants. There are no boys without shirts and/or pants. What is the number of boys wearing full uniform?

Consider the following:

Statement:

Good voice is a natural gift but one has to keep practising to improve and excel well in the field of music.

Conclusions:

1. I.Natural gifts need nurturing and care.
2. II.Even though one’s voice is not good, one can keep practising.

Which one of the following is correct in respect of the above statement and conclusions?

Examine the following statements:

1. 1.All colours are pleasant.
2. 2.Some colours are pleasant.
3. 3.No colour is pleasant.
4. 4.Some colours are not pleasant.

Given that statement 4 is true, what can be definitely concluded?

A ate grapes and pineapple; B ate grapes and oranges; C ate oranges, pineapple and apple; D ate grapes, apple and pineapple. After taking fruits, B and C fell sick.

In the light of the above facts, it can be said that the cause of sickness was:

There were 50 faculty members comprising 30 males and the rest females. No male faculty member knew music, but many of the female faculty members did. The Head of the institution invited six faculty members to a tea party by draw of lots. At the party it was discovered that no member knew music. The conclusion is that: