SSC CGL Undated PYQs

Question 1

If the square of sum of three positive consecutive natural numbers exceeds the sum of their squares by 292, then what is the largest of the three numbers?

Accepted Answer

Let the numbers be x-1, x, and x+1. Their sum is 3x. Equation: (3x)^2 - ((x-1)^2 + x^2 + (x+1)^2) = 292. Solving 9x^2 - (3x^2 + 2) = 292 gives x=7. The largest is 8.

Question 2

Nepal shares a border with which other country besides India?

Accepted Answer

Nepal is a landlocked country situated between India to the south, east, and west, and China (specifically the Tibet Autonomous Region) to the north.

Question 3

If a + b = 4 and ab = -21, then what is the value of a3 + b3?

Accepted Answer

Use the algebraic identity a³ + b³ = (a + b)³ - 3ab(a + b). Substitute the given values: 4³ - 3(-21)(4) = 64 + 252 = 316.

Question 4

What is the respective ratio of total sales of Sedan and total sales of SUV over the period of 4 years?

Accepted Answer

Add the sales of Sedan for all 4 years, then add the sales of SUV for all 4 years. Divide the total Sedan sales by total SUV sales to get the ratio 43:31.

Question 5

Gravitational force is maximum at which of the following place?

Accepted Answer

The Earth is an oblate spheroid, flattened at the poles. Since the poles are closer to the Earth's center, the gravitational force is maximum there.

Question 6

Which component in tobacco makes it harmful for human consumption?

Accepted Answer

Tobacco contains nicotine, a highly addictive alkaloid that stimulates the nervous system, increases heart rate, and makes tobacco consumption harmful and habit-forming for humans.

Question 7

In the following question, select the missing number from the given series. 2, 4, 13, 41, 106, ?

Accepted Answer

The differences between consecutive terms follow the pattern 1³+1, 2³+1, 3³+1, 4³+1. The next difference is 5³+1 = 126. Adding 126 to 106 gives 232.

Question 8

Which among the following carries impure blood to human heart?

Accepted Answer

Pulmonary arteries are the only arteries that carry deoxygenated (impure) blood. They transport this impure blood from the right ventricle of the heart to the lungs for oxygenation.

Question 9

The book "Azad Bachpan ki Aur" is written by which author?

Accepted Answer

"Azad Bachpan ki Aur" was written by Nobel Peace Prize laureate Kailash Satyarthi. The book highlights his lifelong struggle against child labor and advocates for children's rights.

Question 10

Who among the following is the 2017 Asian Award recipient for the outstanding achievement in Cinema? ?

Accepted Answer

Kunal Nayyar, best known for his role in 'The Big Bang Theory', received the Outstanding Achievement in Television/Cinema award at the 7th Asian Awards in 2017.

Question 11

Who was the 2015 Men's Rugby World Cup Winner?

Accepted Answer

New Zealand won the 2015 Men's Rugby World Cup by defeating Australia 34-17 in the final, becoming the first team to win back-to-back titles.

Question 12

Who was the first Viceroy of India?

Accepted Answer

Lord Canning became the first Viceroy of India after the Government of India Act 1858, which transferred power from the East India Company to the British Crown following the 1857 revolt.

Question 13

What least number must be added to 4131, so that the sum is completely divisible by 19?

Accepted Answer

Divide 4131 by 19 to get a remainder of 8. To make it exactly divisible, add the difference between the divisor and remainder: 19 - 8 = 11.

Question 14

Gol Gumbaz is located in?

Accepted Answer

Gol Gumbaz is the mausoleum of Mohammed Adil Shah, located in Bijapur, Karnataka. It is famous for its massive dome and acoustic whispering gallery.

Question 15

"United Nations Organization" is listed in the __________ list given in the Seventh Schedule in the Constitution of India.

Accepted Answer

The "United Nations Organization" falls under the Union List (Entry 12) of the Seventh Schedule, meaning only the Parliament has the exclusive power to legislate on matters related to it.

Question 16

In the following question, select the related word from the given alternatives. Book : Pages : : Continent : ?

Accepted Answer

Just as a book is made up of multiple pages, a continent is made up of multiple countries. Therefore, 'Countries' is the correct related word.

Question 17

If 27N4 is divisible by 11, then what is the value of N?

Accepted Answer

For a number to be divisible by 11, the difference of sums of alternate digits must be 0 or 11. Here, (7+4) - (2+N) = 11 - 2 - N = 9 - N. Thus, N = 9.

Question 18

Rusting is _____.

Accepted Answer

Rusting is a redox reaction where iron is oxidized to form iron oxide, while oxygen is reduced by gaining electrons. Both oxidation and reduction occur simultaneously.

Question 19

Recently, scientists have found second Great Spot 24000 km across and 12000 km wide on which planet?

Accepted Answer

Scientists discovered the 'Great Cold Spot' on Jupiter, a second massive spot alongside the famous Great Red Spot, created by the powerful auroras in the planet's upper atmosphere.

Question 20

The phenomena of raising the outer edge of the curved roads above the inner edge to provide necessary centripetal force to the vehicles to take a safe turn is called _____.

Accepted Answer

Banking of roads involves raising the outer edge to provide the necessary centripetal force, preventing vehicles from skidding outward while taking a curved turn.