SSC CGL Undated PYQs

Question 1

PQR is a right angled triangle in which ∠R = 90°. If RS ⊥ PQ, PR = 3 cm and RQ = 4 cm, then what is the value of RS (in cm)?

Accepted Answer

Calculate hypotenuse PQ = √(3² + 4²) = 5 cm. Using the area formula, PR × RQ = PQ × RS. So, 3 × 4 = 5 × RS, giving RS = 12/5 cm.

Question 2

Which of the following trees shed their leaves once in a year?

Accepted Answer

Deciduous trees shed their leaves annually, usually in autumn, to conserve water and energy during harsh weather conditions. Evergreen trees keep their leaves year-round.

Question 3

Who was the winner of 2015 Men's Cricket World Cup?

Accepted Answer

Australia won the 2015 Men's Cricket World Cup by defeating New Zealand in the final at the MCG. This victory marked their fifth Cricket World Cup title.

Question 4

Which of the following does not hold true for Animal belonging to Phylum Chordate?

Accepted Answer

Chordates have a ventral heart, not a dorsal one. Non-chordates typically have a dorsal heart. The other options (notochord, pharyngeal gill slits, post-anal tail) are defining characteristics of chordates.

Question 5

Which of the statements given below are correct? 1. The author of 'A Foreign Policy For India' is L.K Advani. 2. 'Wings of Fire' is a book written by A.P.J Abdul kalaam. 3. 'Open' is an Autobiography of   Andre Agassi.

Accepted Answer

Statement 1 is incorrect because 'A Foreign Policy For India' was authored by I.K. Gujral, not L.K. Advani. Statements 2 and 3 correctly match the books with their respective authors.

Question 6

Who is the author of the book titled 'Citizen and Society'?

Accepted Answer

'Citizen and Society' was written by the former Vice President of India, Mohammad Hamid Ansari. The book was released in 2016 by the then President Pranab Mukherjee.

Question 7

Who has won the 2016 Men's Single title at US Open?

Accepted Answer

Stan Wawrinka won the 2016 US Open Men's Singles title by defeating defending champion Novak Djokovic in four sets in the final.

Question 8

"Betting and gambling" is listed in the __________ list given in the Seventh Schedule in the Constitution of India.

Accepted Answer

Betting and gambling fall under the State List (Entry 34) of the Seventh Schedule. This gives state governments exclusive power to make laws regarding these activities.

Question 9

Sum of a fraction and thrice its reciprocal is 31/6. What is the fraction?

Accepted Answer

Let the fraction be x. The equation is x + 3/x = 31/6. Testing option 3: 9/2 + 3(2/9) = 9/2 + 2/3 = (27+4)/6 = 31/6.

Question 10

__________ is the number of individuals of the population who left the habitat and gone elsewhere during the time period under consideration.

Accepted Answer

Emigration refers to the outward movement of individuals leaving a population's habitat. Immigration is entering, natality is birth rate, and mortality is death rate.

Question 11

When [x + (1/x)] = 5, then what is the value of [x – (1/x)]? ?

Accepted Answer

Use the identity (x - 1/x)² = (x + 1/x)² - 4. Substituting 5 gives 25 - 4 = 21. Taking the square root yields ±√21.

Question 12

Select the related letters from the given alternatives. GIK : PRT :: DFH : ?

Accepted Answer

Each letter in the first term is shifted forward by 9 positions (G+9=P, I+9=R, K+9=T). Applying the same to DFH (+9), we get MOQ.

Question 13

Mohit buys an old bicycle for Rs 2700 and spends Rs 500 on its repairs. If he sells the bicycle for Rs 3520, then what is his profit percentage? ?

Accepted Answer

Total cost price = 2700 + 500 = Rs 3200. Selling price = Rs 3520. Profit = 3520 - 3200 = Rs 320. Profit % = (320 / 3200) × 100 = 10%.

Question 14

Improve the bracketed part of the sentence. The people of Japan are (wiser than America.)

Accepted Answer

To compare 'people' (plural) in Japan with 'people' in America, we must use 'those of America' to refer to the people, ensuring a correct plural comparison.

Question 15

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

Accepted Answer

The word 'SCARE' cannot be formed because the letter 'A' is not present in the original word 'RECLINES'. All other words can be formed.

Question 16

What is the name of the ﬁrst Super Computer of the world?

Accepted Answer

Designed by Seymour Cray in 1964, the CDC 6600 is widely recognized as the world's first successful supercomputer, significantly outperforming all other computers of its time.

Question 17

If 45 % 11 = 7, 59 % 34 = 7 then what is the value of 55 % 4 = ?

Accepted Answer

Sum the digits of both numbers and subtract the second sum from the first. For 55 % 4: (5+5) - 4 = 10 - 4 = 6.

Question 18

Select the correct option: Convert decimal 101 to binary .

Accepted Answer

Divide 101 successively by 2 and record the remainders. Reading the remainders from bottom to top gives 1100101. Thus, decimal 101 is 1100101 in binary.

Question 19

The weights of 4 boxes are 100, 90, 80 and 40 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 combinations: 100+90+80+40 = 310. 100+90+40 = 230. 90+80+40 = 210. No combination of these weights adds up to exactly 200.

Question 20

Which amongst the following is not a Cation?

Accepted Answer

A cation is a positively charged ion. Aluminium, copper, and zinc form positive ions (cations). Sulphate (SO₄²⁻) is a negatively charged ion, making it an anion.