SSC CGL Undated PYQs

Question 1

In the following question, the sentence given with blank to be ﬁlled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option. Finding the comedy routine extremely funny, the family laughed _____________ along with the rest of the crowd.

Accepted Answer

The word 'hysterically' is an adverb that correctly describes the manner of laughing, indicating extreme and uncontrolled amusement, fitting the context of finding a comedy routine 'extremely funny'.

Question 2

Which of the following pair is INCORRECT? I. Parsec - Distance II. Barrel - Liquid III. Light year - Time

Accepted Answer

Parsec measures distance, and barrel measures liquid volume. However, a light year is a unit of astronomical distance, not time. Thus, only pair III is incorrect.

Question 3

If MARBLES is coded as PDUEOHV, then how will GIN be coded as?

Accepted Answer

Each letter in the word is shifted forward by 3 positions in the English alphabet. Applying +3 to G, I, and N gives J, L, and Q respectively.

Question 4

Which among the following sponsors Regional Rural Banks (RRB'S)?

Accepted Answer

Regional Rural Banks (RRBs) are jointly owned by the Central Government (50%), State Government (15%), and Sponsor Banks (35%). These sponsor banks are always Nationalised Commercial Banks.

Question 5

If on a Sale there is 40% discount on the marked price of Rs 1000, but the sale is done at Rs 510 only then what additional discount (in %) did the customer get?

Accepted Answer

Marked price is Rs 1000. Price after 40% discount = Rs 600. Final price = Rs 510. Additional discount = Rs 90. Additional discount % = (90 / 600) × 100 = 15%.

Question 6

ΔABC is right angled at B. BD is an altitude. DC = 9 cm and AC = 25 cm. What is the value of BC (in cm)?

Accepted Answer

Use the geometric mean theorem: BC² = AC × DC. Substitute the given values: BC² = 25 × 9 = 225. Taking the square root gives BC = 15 cm.

Question 7

By selling 90 pens for Rs 80 a man loses 20%. What should be the selling price (in Rs) of 90 pens for 20% profit?

Accepted Answer

SP is Rs 80 at a 20% loss, so the CP of 90 pens is 80 / 0.8 = Rs 100. For a 20% profit, the new SP = 100 * 1.2 = Rs 120.

Question 8

The weights of 4 boxes are 30, 40, 50 and 80 kilograms. Which of the following cannot be the total weight, in kilograms, of any combination of these boxes and in a combination a box can be used only once?

Accepted Answer

Check the combinations: 30+80=110, 40+80=120, and 50+80=130. No combination of the given weights (30, 40, 50, 80) adds up to exactly 100 kg.

Question 9

Improve the bracketed part of the sentence. William Shakespeare is the greatest of (all other) writers.

Accepted Answer

When using the superlative degree ('greatest'), we compare one item to the entire group. Therefore, 'all the' is correct, as 'other' is redundant and grammatically incorrect in this context.

Question 10

If Data Interpretation and Modern Maths were taught for a combined time of 96 hours, then for how much time (in hours) were Number system and Geometry taught?

Accepted Answer

Using the provided chart, find the ratio of the combined value of Number System and Geometry to DI and Modern Maths. Multiply this ratio by 96 to get 232 hours.

Question 11

Select the related word from the given alternatives. Alive : Dead :: Question : ?

Accepted Answer

The words 'Alive' and 'Dead' are antonyms. Following the same logic, the antonym or direct counterpart of a 'Question' is an 'Answer'.

Question 12

Which Indian state is the largest in terms of the total area covered ?

Accepted Answer

Rajasthan is the largest state in India by area, covering approximately 342,239 sq km. It accounts for about 10.4% of India's total geographical area.

Question 13

If Sec θ = 13/12, then Cot θ = ?

Accepted Answer

Sec θ = 13/12 means hypotenuse = 13 and base = 12. The perpendicular is √(13² - 12²) = 5. Cot θ = base/perpendicular = 12/5.

Question 14

Who invented the thermos flask?

Accepted Answer

James Dewar invented the thermos flask (vacuum flask) in 1892. He designed it with an inner and outer wall separated by a vacuum to prevent heat transfer.

Question 15

Fog, clouds, mist are examples of _______.

Accepted Answer

Fog, clouds, and mist are liquid aerosols. They consist of fine liquid droplets (dispersed phase) suspended in a gas like air (dispersion medium).

Question 16

What is the role of Pneumatophores?

Accepted Answer

Pneumatophores are specialized aerial roots found in mangrove plants. They grow upward out of waterlogged mud to absorb oxygen directly from the air for respiration.

Question 17

Select the correct option: Convert binary 1101111 to decimal.

Accepted Answer

Multiply each bit by its corresponding power of 2: 64 + 32 + 0 + 8 + 4 + 2 + 1. Summing these values gives 111 in decimal.

Question 18

In the following question, select the related number from the given alternatives. 4 : 17 : : 7 : ?

Accepted Answer

The pattern follows the rule x : x² + 1. Here, 4² + 1 = 17. Applying the same logic to 7, we get 7² + 1 = 49 + 1 = 50.

Question 19

Improve the bracketed part of the sentence. He has painted that picture so often that he can do it with his (eyes closed).

Accepted Answer

The phrase 'with his eyes closed' is a correct idiom meaning to do something effortlessly due to extensive practice. No improvement is needed.

Question 20

What is the area (in sq cm) of a circle whose circumference is 22 cm?

Accepted Answer

Circumference = 2πr = 22, so r = 22 × (7/44) = 3.5 cm. Area = πr² = (22/7) × 3.5 × 3.5 = 38.5 sq cm.