Logical Reasoning - 13 - Free MCQ Practice Test with solutions, SSC CGL

Triangle represents the people who visited Mysore

Circle represents people who visited Ooty

To find the portion which represents people who visited both Mysore and Ooty :

Clearly, 'C' is part of both triangle and circle, => 'C' represents people who visited both places.

Ans - (d)

The question figure is embedded in the following figure :

=> Ans - (d)

A vertical mirror is placed, so the object at the left will appear at the right and vice-versa. So, the circle on the left will appear on the right hand side and square will appear on the left side in the mirror image, hence second option is eliminated.

Also, the two horizontal lines at the bottom are pointing towards left, thus in the mirror image, they will point right, and thus first and last options are also eliminated.

When we complete the above figure, we get :

Now, the last figure resembles the above missing part in blue colour.

A horizontal mirror is placed, so the figure will be reversed, that is, the triangles pointing upwards will face down and vice-versa, and thus the second and third options are not possible. 

Also, the triangle on the left will remain at the left hand side in the output, so the last option is also eliminated.

Thus, first is the correct output.

Smaller rectangles = (ABGF), (BCHG), (CDIH), (FGKL), (GHLM), (HIMN)

Rectangles formed by 2 rectangle = (ACHF), (BDIG), (FHMK), (GINL), (ABLK), (BCML), (CDNM)

Rectangles formed by 3 rectangle = (ADIF), (FINK)

Rectangles formed by 4 rectangle = (ACMK), (BDNL)

Rectangles formed by 6 rectangles = (ADNK)

Thus, total rectangles = 18

Gynecologists who are neither Women nor Dancers are represented by blue colour = C + H

Weights of 4 boxes = 20, 40, 80 and 90 kilograms

(a) 220 = not possible

(b) 230 = 20 + 40 + 80 + 90

(c) 150 = 20 + 40 + 90

(d) 210 = 40 + 80 + 90

=> Ans - (a)

Expression: 17- 15 x 5 = 250

(a) = and x

≡ 17 − 15 = 5 × 250

L.H.S. = 2 ≠ 1250 = R.H.S.

(b) x and -

≡ 17 × 15 − 5 = 250

L.H.S. = 255 − 5 = 250 = R.H.S.

=> Ans - (b)

It is given that C is in the extreme right. 

D is the immediate neighbour of A and E. B is at the immediate right of E.

=> D sits to the immediate left of E, and A sits second to the left of E.

Thus, Arrangement:

∴ A is fourth to the left of C.

Total number of girls = 74

Shweta's position from left end = 27th

=> Palak's position from left end = 27 + 7 = 34th

Thus, Palak's position from right end = (74 + 1) - 34 = 41

Khushboo's age = 25 years

=> Ankit's age = 2 × 25 = 50 years

=> Chandan's age = 50 + 2 = 52 years

∴ Sumit's age = 52 + 1 = 53 years

=> Ans - (b)

C celebrated his fifth birthday 9 years ago, => C's present age = 9 + 5 = 14 years

Also, after 8 years the B's age will be 4 times of C's present age, 

=> B's present age = (4 × 14) − 8 = 56 − 8 = 48 years

Thus, A's age = 2 × 48 = 96 years

=> Ans - (b)

Psychologists and actors who are also fathers are represented by blue area = E + G

Weights of 4 boxes = 70, 50, 30 and 90 kilograms

(a) 220 = not possible

(b) 240 = 30 + 50 + 70 + 90

(c) 210 = 50 + 70 + 90

(d) 170 = 30 + 50 + 90

=> Ans - (a)

The pattern is that the number in the middle is obtained by taking square of the difference of the numbers on each sides.

Eg: (19 − 13)² = 6² = 36

and (37 − 28)² = 9² = 81

Similarly, A = (43 − 38)² = 5² = 25

=> Ans - (b)

The arrow in the original image is pointing to the top left, thus it will point to top right in the mirror image.

=> (a) is eliminated

Now, in all the triangles given, the black part is on the right side( when seen from the base of each). Thus, in its mirror image, the black portion of the triangle will appear on the left side for all the triangles, which is given only in option (d)

In the given figure, only one circle and the only triangles needed is a right angled triangle.

Clearly option (a) violates above rules.

The question figure is embedded in the following figure:

Half circle are made at the edges of the triangle, so when reopened, the complete circles will appear at the three sides, so three complete circles will be appeared in the answer figure resembling the three sides of the triangle.

In each column, the number at the top is obtained by multiplying the other two numbers.

Eg: 15 × 7 = 105

and 12 × 8 = 96

Similarly, 13 × 5 = 65

=> Ans - (c)

The pattern followed is that all the digits in the numbers are added.

Eg: 35 % 31 = 3 + 5 + 3 + 1 = 12

and 92 % 30 = 9 + 2 + 3 + 0 = 14

Similarly, 15 % 24 = 1 + 5 + 2 + 4 = 12

=> Ans - (a)

Let heights of Hitesh, Sunny, Vicky, Nitin and Bharat be represented as H, S, V, N, BH, S, V, N, B respectively.

Hitesh is at third place, => He is the third tallest and, =>  _ _ H _ _

Bharat is between Nitin and Hitesh while Nitin is not at the bottom, => N B H _ _ 

Thus, Nitin is the tallest among them.

In each column, the number in the first cell is obtained by adding the other two.

Eg: 21 + 95 = 116

and 87 + 48 = 135

Similarly, 47 + x = 94

=> x = 94 − 47 = 47

=> Ans - (b)

Let the number in the first row be 'a' , in the second row be 'b' , in the third row be 'c' and in the fourth row be 'd'.

The pattern followed is: (b * c - a = d)(b ∗ c − a = d)

=> Missing number = 6 * 9 - 3 = 54 - 3 = 51