SSC-CHSL 2021 Reasoning
Practice subject-wise previous year questions
Question 1
Logical Reasoning
In a certain code language, 'APPROACH' is written as '116161815138' and ‘APPROVAL’ is written as ‘11616181522112’. How will 'POOL' be written in that language?
A
16141412B
16171712C
16151512D
16131312Question 2
Logical Reasoning
Select the correct combination of mathematical signs to replace the * signs and to balance the given equation. 14 * 5 *41 * 76 * 35
A
×, −, =, +B
×, +, −, =C
−, +, =, ×D
+, ×, =, −Question 3
Logical Reasoning
Select the correct combination of mathematical signs to replace the * signs and to balance the given equation. 78 * 3 * 12 * 5 * 59 * 17 * 44
A
÷, +, ×, −, +, =B
+, =, −, +, ×, ÷C
÷, −, =, +, ×, −D
=, −, ×, +, −, ×Question 4
Logical Reasoning
Which of the following numbers will replace the question mark (?) in the given series? 78, 112, 64, ?, 50, 140
A
134B
126C
108D
116Question 5
Logical Reasoning
In a certain code language, “ARE” is coded as “87”, and “NOT” is coded as “4197”. How will “CAT” be coded in that language?
A
54B
60C
57D
63Question 6
Logical Reasoning
Select the correct combination of mathematical signs to replace the * signs and to balance the given equation. 13 * 5 * 3 * 3 * 2
A
–, =, +, –B
=, +, +, ×C
×, =, ×, ×D
+, =, ×, ×Question 7
Logical Reasoning
Select the option that is related to the third word in the same way as the second word is related to the first word. (The words must be considered as meaningful English words and must NOT be related to each other based on the number of letters/number of consonants/vowels in the word) Courage ∶ Bravery ∶∶ Sinister ∶ ?
A
AuspiciousB
BenevolentC
OminousD
KindQuestion 8
Logical Reasoning
Which of the following numbers will replace the question mark (?) in the given number series? 458, 462, 446, 482, ?, 518
A
428B
432C
546D
418Question 9
Logical Reasoning
Select the option that represents the correct order of the given words as they would appear in an English dictionary. 1. Potential 2. Posthumous 3. Postbox 4. Polymer 5. Popular
A
5, 4, 3, 2, 1B
4, 5, 2, 3, 1C
4, 5, 3, 2, 1D
1, 2, 3, 4, 5Question 10
Logical Reasoning
Select the option that represents the correct order of the given words as they would appear in an English dictionary. 1. Sourced 2. Sorrow 3. Soulful 4. Soaking 5. Somewhere
A
5, 4, 3, 2, 1B
4, 5, 2, 3, 1C
5, 4, 1, 2, 3D
4, 5, 3, 2, 1Question 11
Logical Reasoning
Select the correct combination of mathematical signs to sequentially replace the * signs and to balance the given equation. 57 * 35 * 44 * 11 * 13 * 40
A
+, –, ×, ÷, =B
×, +, –, ÷, =C
–, +, ×, ÷, =D
+, –, ÷, ×, =Question 12
Logical Reasoning
Two statements are given followed by two conclusions numbered I and II. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements. Statements: Some potatoes are onions. Some onions are tomatoes. Conclusions: I. Some tomatoes are potatoes. II. No tomato is a potato.
A
Only conclusion II followsB
Only conclusion I followsC
Either conclusion I or II followsD
Both conclusions I and II followQuestion 13
Logical Reasoning
Which of the following letter-clusters will replace the question mark (?) in the given series to make it logically complete? XUR, WTQ, VSP, URO, ?
A
TRPB
TQNC
SQOD
SPMQuestion 14
Logical Reasoning
Select the option that is related to the third number in the same way as the second number is related to the first number and the sixth number is related to the fifth number. 10 ∶ 0 ∶∶ 12 ∶ ? ∶∶ 16 ∶ 3
A
4B
5C
3D
1Question 15
Logical Reasoning
Which of the following numbers will replace the question mark (?) in the given series? 11, 20, 43, 94, 187, 336, 555, ?
A
777B
888C
858D
758Question 16
Logical Reasoning
Study the given pattern carefully and select the number that can replace the question mark (?) in it. First row: 73, 52, 75 Second row: 64, 41, 63 Third row: 68, 47, ? (NOTE: Operations should be performed on the whole numbers, without breaking down the number into its constituent digits. For example, 13 – Operations on 13 such as adding/deleting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)
A
71B
69C
63D
65Question 17
Logical Reasoning
Which letter cluster will replace the question mark (?) to complete the given series? ANGE, DSBB, GXWY, ?
A
JBRVB
JCSVC
JBSVD
JCRVQuestion 18
Logical Reasoning
In a certain code language, 'RAIN' is written as '182915' and 'SUN' is written as '192214'. How will 'MOON' be written in that language?
A
13161415B
13161616C
13161515D
13161414Question 19
Logical Reasoning
The second number in the given number pairs is obtained by performing certain mathematical operation(s) on the first number. The same operation(s) are followed in all the number pairs, EXCEPT one. Find that odd number pair.
A
21 ∶ 431B
15 ∶ 225C
13 ∶ 169D
12 ∶ 144Question 20
Logical Reasoning
Two different positions of the same dice are shown, the six faces of which are numbered from 1 to 6. Select the number that will be on the top if the dice is resting on '6'.
A
3B
2C
1D
4Question 21
Logical Reasoning
Select the option that is related to the fifth term in the same way as the second term is related to the first term and the fourth term is related to the third term. AMOUNT ∶ MOUNT ∶∶ BRIDGE ∶ RIDGE ∶∶ BRIGHT ∶ ?
A
RIGHT B
SIGHTC
KIGHTD
NIGHTQuestion 22
Logical Reasoning
Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation. 57 * 35 * 44 * 11 * 13 * 74
A
+, –, ×, ÷, =B
+, –, ÷, ×, =C
×, +, ÷, –, =D
–, +, ÷, ×, =Question 23
Logical Reasoning
Select the correct combination of mathematical signs to replace the * signs and to balance the given equation. 91 * 15 * 5 * 18 * 37
A
=, ÷, ×, +B
+, =, ×, −C
+, −, =, ×D
−, =, +, −Question 24
Logical Reasoning
Select the option that represents the letters that, when placed from left to right in the blanks, will complete the letter series. S _ O Z Q T L O _ Q U _ O _ Q V L O Z _
A
L Z L Z QB
Z L Z Q LC
Z L Q L ZD
L Z Q Z LQuestion 25
Logical Reasoning
Select the option that is related to the fifth number in the same way as the second number is related to the first number and the fourth number is related to the third number. 52 ∶ 5 ∶∶ 100 ∶ 7 ∶∶ 164 ∶ ?
A
7B
8C
11D
9