SSC CGL Undated PYQs

Question 1

If 19 $ 7 = 312 and 23 $ 9 = 448, then 31 $ 11 = ? 31 $ 11 = ?

Accepted Answer

The pattern is a $ b = a^2 - b^2. So, 19^2 - 7^2 = 312. Applying this to 31 $ 11 gives 31^2 - 11^2 = 961 - 121 = 840.

Question 2

Which of the following Amendments is also known as the 'Mini Constitution' of India?

Accepted Answer

The 42nd Amendment (1976) is called the 'Mini Constitution' because it brought massive changes, including adding 'Socialist', 'Secular', and 'Integrity' to the Preamble and introducing Fundamental Duties.

Question 3

From the given words, select the word which cannot be formed using the letters of the given word. PROXIMAL PROXIMAL

Accepted Answer

The word PROXIMAL does not contain the letter 'E'. Therefore, the word 'REALM' cannot be formed using its letters.

Question 4

Select the related word from the given alternatives. Night : Stars :: Day : ?

Accepted Answer

Just as stars are the primary celestial bodies visible in the sky during the night, the sun is the primary celestial body visible during the day.

Question 5

Pointing towards a man, Ritika said "He is the son of my grandfather's only son". How is Ritika related to that man?

Accepted Answer

Ritika's grandfather's only son is Ritika's father. The son of Ritika's father is her brother. Therefore, Ritika is the sister of that man.

Question 6

Who amongst the following is the author of the book "Rekha : The untold story" a biography on a veteran actress Rekha? ?

Accepted Answer

Yasser Usman is the author of 'Rekha: The Untold Story'. He is a renowned journalist and biographer who has also penned biographies of Bollywood stars like Rajesh Khanna and Sanjay Dutt.

Question 7

In the following question, select the related word from the given alternatives. Goiter : Iodine : : Anemia : ?

Accepted Answer

Goiter is a disease caused by the deficiency of iodine. Similarly, anemia is a condition caused by the deficiency of iron in the body.

Question 8

Improve the bracketed part of the sentence. The Chairman appointed her (as a secretary) as she is efﬁcient.

Accepted Answer

The verb 'appoint' does not require 'as' when followed by the designation. The original sentence is grammatically correct, making 'No improvement' the right choice.

Question 9

The sliding friction is _______________ than the static friction.

Accepted Answer

Sliding friction is smaller than static friction because once an object is in motion, the interlocking of irregularities on the two surfaces is less effective.

Question 10

If the price of an airline ticket is Rs 7000 then by what amount, monthly Revenue (in Rs. Millions) from sale of tickets of Airline B is greater than that of Airline E?

Accepted Answer

Find the difference in the number of tickets sold by Airline B and E from the given data. Multiply this difference by Rs 7000 and convert the result into millions to get 35.

Question 11

Aurelia (Medusa) and Adamsia (Polyp) are examples of which Phylum? 9/7/2017 Staff Selection Commision

Accepted Answer

Aurelia (jellyfish) and Adamsia (sea anemone) belong to the phylum Coelenterata (Cnidaria). They exhibit two basic body forms: polyp (sessile) and medusa (free-swimming).

Question 12

In the following question, select the related word from the given alternatives. Vacant : Empty : : Dearth : ?

Accepted Answer

Just as 'Vacant' and 'Empty' are synonyms meaning unoccupied, 'Dearth' means a lack of something, making 'Scarcity' its exact synonym.

Question 13

Profit of Rs 12,400 has to be divided between three partners A, B and C in the ratio 5:7:8. How much does B get (in Rs)?

Accepted Answer

Total ratio parts = 5 + 7 + 8 = 20. Value of 1 part = 12400 / 20 = 620. B's share is 7 parts, so 7 × 620 = Rs 4340.

Question 14

What is the duration (in minutes) of one-half of a football match?

Accepted Answer

A standard football match lasts for a total of 90 minutes. It is divided into two equal halves of 45 minutes each, separated by a half-time break.

Question 15

"Population control and family planning" is listed in the __________ list given in the Seventh Schedule in the Constitution of India.

Accepted Answer

"Population control and family planning" was added to the Concurrent List (Entry 20A) of the Seventh Schedule by the 42nd Amendment in 1976, allowing both center and states to legislate.

Question 16

What is the difference (in Rs) between the compound interests on Rs. 1000 for 1 year at 10% per annum compounded yearly and half-yearly?

Accepted Answer

Yearly CI is 10% of 1000 = Rs 100. Half-yearly effective rate is 5% + 5% + (5×5)/100 = 10.25%, giving Rs 102.5. The difference is 102.5 - 100 = Rs 2.5.

Question 17

A batsman makes a score of 111 runs in the 10th match and thus increases his average runs per match by 5. What will be his average after the 10th match?

Accepted Answer

Let the old average be x. Then 9x + 111 = 10(x + 5). Solving gives x = 61. The new average after the 10th match is 61 + 5 = 66.

Question 18

In the following question, from the given alternative words, select the word which can be formed using the letters of the given word. CAPITULATE CAPITULATE

Accepted Answer

The word 'TALE' can be formed because all its letters (T, A, L, E) are present in the given word 'CAPITULATE'. Other options contain extra letters like B, N, or Y.

Question 19

Through photosynthesis at least a half of the total carbon dioxide fixation on earth is carried out by?

Accepted Answer

Algae are primarily aquatic and perform about half of all photosynthesis on Earth, fixing massive amounts of carbon dioxide into organic compounds in marine and freshwater ecosystems.

Question 20

If A/3 = B/2 = C/5, then what is the value of ratio (C + A)2 : (A + B)2 : (B + C)2?

Accepted Answer

Let A=3, B=2, and C=5. Calculate the sums: C+A = 8, A+B = 5, B+C = 7. Squaring these values gives 64, 25, and 49. The ratio is 64:25:49.