SSC CGL Undated PYQs

Question 1

In a class, P has more marks than Q and R does not have the least marks. S has more marks than T and T has more marks than P, who among them will have the least marks?

Accepted Answer

From the given conditions, we get the sequence S > T > P > Q. Since R does not have the least marks, Q must be the one with the lowest score.

Question 2

What is the third proportional to 9 and 45?

Accepted Answer

Let the third proportional be x. The formula is x = b² / a. Here, x = (45 × 45) / 9 = 5 × 45 = 225.

Question 3

When there is only one buyer and one seller of product, it is called _____ situation.

Accepted Answer

A bilateral monopoly occurs when a market has only one supplier (monopoly) and one buyer (monopsony). The price and quantity are determined through negotiation between the two parties.

Question 4

Improve the bracketed part of the sentence. I had (a few) eggs in the fridge, so we need to go to the market to buy them.

Accepted Answer

The sentence implies a scarcity of eggs, necessitating a market visit. 'Few' correctly conveys this negative sense for countable nouns like 'eggs'. 'A few' implies some, which contradicts the need to buy more.

Question 5

If a wholesaler, sells a box of chocolates at Rs 960 he gains 20%. Now if he decides to sell it at Rs 1120, what is his profit percentage?

Accepted Answer

Cost price = 960 / 1.20 = Rs 800. New selling price = Rs 1120. Profit = 1120 - 800 = Rs 320. Profit % = (320 / 800) * 100 = 40%.

Question 6

In which city is the Forest Research Institute of India located? ?

Accepted Answer

The Forest Research Institute (FRI) of India is located in Dehradun, Uttarakhand. Established in 1906, it is a premier institution in the field of forestry research.

Question 7

Which among the following is not a connective tissue?

Accepted Answer

Skin is primarily composed of epithelial tissue, not connective tissue. Blood, bone, and cartilage are all specialized forms of connective tissue that support and bind the body.

Question 8

A dealer sells two machines at Rs 12000 each. On one it gains 32% and on the other it looses 32%. What is its profit/loss percentage in the whole transaction?

Accepted Answer

When two items are sold at the same price with the same profit and loss percentage (x%), there is always a net loss of (x^2)/100 %. Here, loss = (32^2)/100 = 1024/100 = 10.24%.

Question 9

A man walks 3 km West, then turns South and walks 7 km, then turns East and walks 3 km, then turns to his right and walks 5 km. Where is he now with reference to her starting position?

Accepted Answer

He walks 3 km West, 7 km South, and 3 km East, aligning vertically with the start. Turning right means going 5 km South. Total distance is 7 + 5 = 12 km South.

Question 10

____________ is the relationship between the variable input and output, keeping all other inputs are held constant.

Accepted Answer

Total product refers to the total quantity of output produced by a firm using a specific amount of a variable input, while keeping all other inputs constant.

Question 11

The Delhi – Lahore Bus is officially known as __________________.

Accepted Answer

The Delhi-Lahore bus service, launched in 1999, is officially named 'Sada-e-Sarhad' (Call of the Frontier). It was a major diplomatic initiative between India and Pakistan.

Question 12

Which planet is considered as the Dwarf planet?

Accepted Answer

Pluto was reclassified as a dwarf planet by the IAU in 2006 because it hasn't cleared its neighboring region of other objects, unlike the eight major planets.

Question 13

If x + y = 5, x3 + y3 = 35, then what is the positive difference between x and y?

Accepted Answer

Use the formula x³ + y³ = (x+y)((x+y)² - 3xy). Substituting values gives 35 = 5(25 - 3xy), so xy = 6. Then (x-y)² = (x+y)² - 4xy = 25 - 24 = 1, meaning |x-y| = 1.

Question 14

With which Australian University Indian Railways has signed an agreement for Dedicated Freight Corridor?

Accepted Answer

Indian Railways signed an MoU with Monash University, Australia, to establish a joint research center for advancing railway technology and supporting the Dedicated Freight Corridor project.

Question 15

Select the related number from the given alternatives. 236 : 472 :: 123 : ?

Accepted Answer

The pattern involves multiplying the first number by 2. Here, 236 × 2 = 472. Following the same logic, multiplying 123 by 2 gives 123 × 2 = 246.

Question 16

Which disease is caused by Nickel?

Accepted Answer

Nickel exposure primarily causes allergic contact dermatitis, a skin condition characterized by an itchy rash. Itai-Itai is caused by cadmium, making dermatitis the correct answer.

Question 17

Select the related word from the given alternatives. Yellow : Lemon :: Purple : ?

Accepted Answer

Just as a lemon is naturally yellow in color, a brinjal (eggplant) is naturally purple. The analogy is based on the characteristic color of the given item.

Question 18

In ΔPQR, PS and PT are bisectors of ∠QPR and ∠QPS respectively. If ∠QPT = 30°, PT = 9 cm and TR = 15 cm, then what is the area (in cm2) of ΔPTR ?

Accepted Answer

PT bisects ∠QPS, so ∠TPS = 30°. PS bisects ∠QPR, so ∠SPR = 60°. Thus, ∠TPR = 90°. In right ΔPTR, PR = √(15² - 9²) = 12. Area = 1/2 × 9 × 12 = 54.

Question 19

In the following question, correct the equation by interchanging two signs. 9 x 3 + 8 ÷ 4 – 7 = 28 9 x 3 + 8 ÷ 4 – 7 = 28

Accepted Answer

Swap x and ÷. The equation becomes 9 ÷ 3 + 8 x 4 - 7. Using BODMAS: 3 + 32 - 7 = 35 - 7 = 28, which matches the RHS.

Question 20

A sum of Rs 400 becomes Rs 448 at simple interest in 2 years. In how many years will the sum of Rs 550 amounts to Rs 682 at the same rate?

Accepted Answer

First, find the rate: SI = 448 - 400 = 48. Rate = (48×100)/(400×2) = 6%. For the second case, SI = 682 - 550 = 132. Time = (132×100)/(550×6) = 4 years.