Reasoning - MOST IMPORTANT CAPF Previous Year Questions

The number of times the hands of a watch are at right angle between 4 p.m. to 10 p.m. is :

If Saturday falls four days after today which is $\displaystyle 6^{\text{th}}$ January, on which day did the first of December of the previous year fall?

'R' walks $\displaystyle 1\text{ km}$ to east and then he turns to south and walks $\displaystyle 5\text{ km}$. Again he turns to east and walks $\displaystyle 2\text{ km}$. After this he turns to north and walks $\displaystyle 9\text{ km}$. How far is he from his starting point?

If WOMAN is coded as $\displaystyle 12345$ and SERVANT is coded as $\displaystyle 6789450$, then VOTERS will be coded as :

Which will be the next term in the following series?
KPA, LQB, MRC, NSD, ………

The missing number in the following table is :

Consider the following statements:

1. Every square is a rectangle.
2. Every rectangle is a parallelogram.
3. Every parallelogram is not necessarily a square.

Which one of the following conclusions can be drawn on the basis of the above statements?

If $\displaystyle a \oplus b$ is defined as $\displaystyle a^b + b^a$, then consider the following equations:
I. $\displaystyle 2 \oplus x = 100$
II. $\displaystyle 4 \oplus x = 145$
III. $\displaystyle 3 \oplus x = 145$
IV. $\displaystyle 6 \oplus x = 100$

For which of the above, is $\displaystyle x$ smallest?

Six friends A, B, C, D, E and F are seated in a circle facing the centre.

• F is between A and D.
• C is between E and B.
• E is not between D and C.
• D is $\displaystyle 2^{\text{nd}}$ to the left of C.

Which one of the following is the position of D?

In a class of 84 students, boys and girls are in the ratio of $\displaystyle 5 : 7$. Among the girls, 7 can speak Hindi and English. $\displaystyle 50\%$ of the total students can speak only Hindi. The ratio of the number of students speaking only Hindi to those speaking only English is $\displaystyle 21 : 16$. The ratio of the number of boys speaking English only to that of girls speaking English only is $\displaystyle 3 : 5$.

What is the number of boys who speak both the languages?

In a class of 84 students, boys and girls are in the ratio of $\displaystyle 5 : 7$. Among the girls, 7 can speak Hindi and English. $\displaystyle 50\%$ of the total students can speak only Hindi. The ratio of the number of students speaking only Hindi to those speaking only English is $\displaystyle 21 : 16$. The ratio of the number of boys speaking English only to that of girls speaking English only is $\displaystyle 3 : 5$.

What is the number of girls who speak English only?

In a class of 84 students, boys and girls are in the ratio of $\displaystyle 5 : 7$. Among the girls, 7 can speak Hindi and English. $\displaystyle 50\%$ of the total students can speak only Hindi. The ratio of the number of students speaking only Hindi to those speaking only English is $\displaystyle 21 : 16$. The ratio of the number of boys speaking English only to that of girls speaking English only is $\displaystyle 3 : 5$.

What is the ratio of number of boys who speak Hindi only to that of girls who speak Hindi only?

In a class of 84 students, boys and girls are in the ratio of $\displaystyle 5 : 7$. Among the girls, 7 can speak Hindi and English. $\displaystyle 50\%$ of the total students can speak only Hindi. The ratio of the number of students speaking only Hindi to those speaking only English is $\displaystyle 21 : 16$. The ratio of the number of boys speaking English only to that of girls speaking English only is $\displaystyle 3 : 5$.

How many girls can speak Hindi?

In a class of 84 students, boys and girls are in the ratio of $\displaystyle 5 : 7$. Among the girls, 7 can speak Hindi and English. $\displaystyle 50\%$ of the total students can speak only Hindi. The ratio of the number of students speaking only Hindi to those speaking only English is $\displaystyle 21 : 16$. The ratio of the number of boys speaking English only to that of girls speaking English only is $\displaystyle 3 : 5$.

What is the ratio of the number of boys who speak English to that of girls who do so?

Ms. X goes to work by NH-2. She has a meeting at 9:30 AM on a day and missing it may mean missing out a big opportunity for her. On that day all day long NH-2 will be closed for repair.

From the above statements, which one among the options given below follows?

The statement 'Everyone has a father, but not every father has a son' implies that :

If it is true that 'all pollutants are harmful', identify which of the following is invalid to infer from it?

If it is false that 'no person can operate an industrial plant for the purpose of any scheduled industry in an air pollution control area without the prior consent of the State Board', then, which of the following may be validly inferred?

The Indian military occupies a border village believed to be harbouring insurgents and asked the residents to vacate their houses in a night operation. Which one among the following statements is the correct interpretation of this incident?

Given that :

1. Some dentists are Asians.
2. Some Asians are not pediatricians.

Which one among the following is not implied?