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Staff Selection Commission Multi Tasking Staff Exam

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Question : The radioactive Strontium-90 causes:

Option 1: Brain cancer

Option 2: Skin cancer

Option 3: Lung cancer

Option 4: Bone cancer

Team Careers360 10th Jan, 2024

Correct Answer: Skin cancer


Solution : The correct answer is Skin cancer.

The radioactive Strontium 90 causes skin cancer, Strontium 90 is a part of polluted soil at sites which were previously affected by nuclear explosions. Sr 90 is a radioactive metal released into the environment by atomic testing it

32 Views

Question : If the mean of two numbers is 12, and the difference between the two numbers is 6, find the two numbers.

Option 1: 2 and 22

Option 2: 14 and 10

Option 3: 15 and 9

Option 4: 3 and 24

Team Careers360 8th Jan, 2024

Correct Answer: 15 and 9


Solution : Let the two numbers be a and b.
Given that the mean of the two numbers is 12, 
⇒ $\frac{a + b}{2}$ = 12
⇒ a + b = 24 ___(1)
Given that the difference between the two numbers is 6,
⇒ a

40 Views

Question : A person lends a certain sum of money at the rate of 6% per annum on simple interest and the interest received in 13 years is Rs. 220 less than the sum lent. What is the sum lent?

Option 1: Rs. 1000

Option 2: Rs. 600

Option 3: Rs. 800

Option 4: Rs. 1200

Team Careers360 20th Jan, 2024

Correct Answer: Rs. 1000


Solution : Given: Rate = 6%
Time = 13 years
Let the principal be $P$.
So, simple interest = $P-220$
We know, Simple interest = $\frac{\text{Principal × Rate × Time}}{100}$
$⇒P - 220 = \frac{P × 6 × 13}{100}$
$⇒100P - 22000 = 78P$
$⇒22P =

22 Views

Question : Select the most appropriate synonym of the given word.
Expository

Option 1: Illustrative

Option 2: Temperamental

Option 3: Obligatory

Option 4: Dubious

Team Careers360 18th Jan, 2024

Correct Answer: Illustrative


Solution : The correct choice is the first option.

Expository refers to the act of explaining or describing something in a detailed and informative manner.
Illustrative also implies providing examples or explanations to make something clear or understandable.

The meanings of the other words are:

  • Temperamental: It
5 Views

Question : Directions: In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?
_bcab_abc_b_

Option 1: acac

Option 2: bbca

Option 3: caca

Option 4: aacc

Team Careers360 17th Jan, 2024

Correct Answer: acac


Solution : Given:
_bcab_abc_b_

First, divide the series before filling it→_bc ab_ abc _b_
Now, check the order of the letters in the given series→abc / abc / abc / abc (abc is repeated in the series.)

The

13 Views

Question : A train passes two bridges of lengths 400 metres and 200 metres in 80 seconds and 60 seconds, respectively. What is the length (in metres) of the train?

Option 1: 200

Option 2: 400

Option 3: 350

Option 4: 720

Team Careers360 7th Jan, 2024

Correct Answer: 400


Solution : Let the speed of the train be $y$ m/s and the length of the train be $x$ metres.
$\text{Speed}=\frac{\text{Distance}}{{\text{Time}}}$
Case – 1:
Total distance = ($x+400$) m
Time = 80 seconds
$y=\frac{x+400}{80}$ ---(1)
Case – 2:
Total distance = ($x+200$) m
Time = 60 seconds

11 Views

Question : The number of live births per thousand persons in a year is called ____________.

Option 1: growth rate

Option 2: fertility rate

Option 3: death rate

Option 4: birth rate

Team Careers360 13th Jan, 2024

Correct Answer: birth rate


Solution : The correct answer is the birth rate.

The birth rate is also known as natality. The number of live births per thousand people in a year is known as the birth rate. The first census was conducted in 1872 under Lord Mayo, and

6 Views

Question : Which team lost to Dabang Delhi KC in the finals of the Pro Kabaddi League Season 8?

Option 1: Puneri Paltan

Option 2: Patna Pirates

Option 3: Gujarat Giants

Option 4: UP Yoddha

Team Careers360 18th Jan, 2024

Correct Answer: Patna Pirates


Solution : The correct answer is Patna Pirates.

In the final match on February 25, 2022, Dabang Delhi KC narrowly defeated Patna Pirates 37–36 to win the Pro Kabaddi League Season 8 title. The all-around player Vijay (14 points) and top raider Naveen Kumar (13 points)

22 Views

Question : Manny bought an AC for INR 12000 and paid INR 400 for transportation. Then he sold it for INR 14000. Find his profit percentage.

Option 1: 12.90%

Option 2: 13.1%

Option 3: 13%

Option 4: 12.80%

Team Careers360 24th Jan, 2024

Correct Answer: 12.90%


Solution : Manny bought an AC for INR 12000 and paid INR 400 for transportation.
His total expenditure = 12000 + 400 = 12400
He sold it for INR 14000.
Profit percentage = $\frac{14000-12400}{12400}×100=\frac{1600}{12400}×100=12.90$%
Hence, the correct answer is 12.90%.

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