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Staff Selection Commission Sub Inspector Exam

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Question : The compound interest on a certain sum invested for 2 years at 10% per annum is INR 1,522.50, the interest being compounded yearly. The sum is:

Option 1: INR 7,250

Option 2: INR 7,200

Option 3: INR 7,500

Option 4: INR 7,000

Team Careers360 25th Jan, 2024

Correct Answer: INR 7,250


Solution : Time, $n$ = 2 years
Rate, $R$ = 10%
Let $P$ be the sum.
Compound interest, CI = INR 1,522.50
CI = $P(1+\frac{R}{100})^n - P$
⇒ 1522.50 = $P(1+\frac{10}{100})^2 - P$
⇒ 1522.50 = $P(1.1)^2 - P$
⇒ 1522.50 = $1.21P- P$
⇒ 1522.50

12 Views

Question : Directions: In a code language, SOGGY is written as 78 and PLINTH is written as 85. How will DEVOTION be written in that language?

Option 1: 112

Option 2: 98

Option 3: 104

Option 4: 120

Team Careers360 15th Jan, 2024

Correct Answer: 112


Solution : Given:
SOGGY is written as 78 and PLINTH is written as 85.

Add the total number of letters to the sum of the place value of the letters of SOGGY and PLINT to obtain the required codes –
SOGGY→(19 + 15 + 7 + 7

15 Views

Question :

Directions: From among the given alternatives, select the one in which the set of numbers is most like the set of numbers question.
Given set: (6, 30, 90)

Option 1: (6, 42, 86)

Option 2: (7, 42, 218)

Option 3: (6, 24, 70)

Option 4: (8, 48, 192)

Team Careers360 20th Jan, 2024

Correct Answer: (8, 48, 192)


Solution : Given:
(6, 30, 90)

Here, multiply the first two numbers and then divide by 2 to obtain the third number.
(6, 30, 90)→(6 × 30) ÷ 2 = 180 ÷ 2 = 90
Let's check the options –
First option: (6, 42,

39 Views

Question : What is the IUPAC name of the organic compound depicted in the figure?

Option 1: 1-Methyl-1-Propylcyclohexane

Option 2: 1-Methyl-2-Propylcyclohexane

Option 3: 1-Methyl-4-Propylcyclohexane

Option 4: 1-Methyl-3-Propylcyclohexane

Team Careers360 16th Jan, 2024

Correct Answer: 1-Methyl-3-Propylcyclohexane


Solution : The correct option is 1-Methyl-3-Propylcyclohexane.

1-Methyl-3-propylcyclohexane is an organic compound with the molecular formula C10H20. It is a cycloalkane, specifically a cyclohexane derivative, substituted with a methyl group (CH3) at position 1 and a propyl group (C3

11 Views

Question : Which of the following pair of compound name – formulas is correct?
I. Calcium oxide – CaO
II. Aluminium oxide – Al2O3

Calcium oxide CaO
Aluminium oxide Al2O3

 

Option 1: Only I

Option 2: Both I and II

Option 3: Neither I nor II

Option 4: Only II

Team Careers360 16th Jan, 2024

Correct Answer: Both I and II


Solution : The correct answer is Both I and II.

  1. Aluminium oxide. Two aluminium atoms and three oxygen atoms make up aluminium oxide. Al2O3 is the chemical formula for aluminium oxide. It exists in nature as corundum and alumina. Not
56 Views

Question : A man bought 20 dozen eggs for Rs. 720. What should be the selling price of each egg if he wants to make a profit of 20%?

Option 1: Rs. 3.25

Option 2: Rs. 3.30

Option 3: Rs. 3.50

Option 4: Rs. 3.60

Team Careers360 20th Jan, 2024

Correct Answer: Rs. 3.60


Solution : The cost price of 20 dozen eggs = Rs. 720
Cost of 1 egg = $\frac{720}{20×12}$ = 3
Selling price at 20% profit $=\frac{100+\text{profit %}}{100}$ × Cost price $=\frac{120}{100}×3 = 3.60$
Hence, the correct answer is Rs. 3.60.

13 Views

Question : Directions: In the following question, a series is given with one or more alphabet missing. Choose the correct alternative from the given options.
BE, DH, ?, HN, JQ

Option 1: FI

Option 2: FK

Option 3: GI

Option 4: GK

Team Careers360 15th Jan, 2024

Correct Answer: FK


Solution : Given:
BE, DH, ?, HN, JQ

In the given series, add 2 to the place value of the first letter and add 3 to the place value of the second letter of the previous term to obtain the next term –
BE→B + 2 =

479 Views

Question : A can do a certain piece of work in 2.4 times the number of days in which B and C together can do it. If A and B together can do the same piece of work in 27 days and C alone can do it in 75 days, then how many days will B take to do this piece of work alone?

Option 1: 54

Option 2: 48

Option 3: 45

Option 4: 42

Team Careers360 10th Jan, 2024

Correct Answer: 45


Solution : (A + B)'s 1 day's work = $\frac{1}{27}$
C's 1 day's work = $\frac{1}{75}$
(A + B + C)'s 1 day's work = $\frac{1}{27}+\frac{1}{75} = \frac{34}{675}$ ---(1)
A's 1 day's work = $\frac{1}{2.4}$(B + C)'s 1 day's work ---(2)
$\frac{3.4}{2.4}$(B + C)'s 1 day's work

13 Views

Question : Directions: In the following question, find the odd number from the given alternatives.

Option 1: 195

Option 2: 221

Option 3: 247

Option 4: 323

Team Careers360 12th Jan, 2024

Correct Answer: 323


Solution : Let's check the given options –
First option: 195; 195 ÷ 13 = 15
Second option: 221; 221 ÷ 13 = 17
Third option: 247; 247 ÷ 13 = 19
Fourth option: 323 is not divisible by 13.

So, all the numbers are divisible by

4 Views

Question : Directions: Select the option that is related to the third letter cluster in the same way as the second letter cluster is related to the first letter cluster.
ACTION : TCANOI :: BOTTLE : ?

Option 1: TOBELT

Option 2: ELTTOB

Option 3: OBTTEL

Option 4: EBLOTT

Team Careers360 12th Jan, 2024

Correct Answer: TOBELT


Solution : Given:
ACTION : TCANOI :: BOTTLE : ?

Follow the pattern to obtain the required code –


Thus, ACTION is coded as TCANOI.
Similarly, follow the same pattern for BOTTLE –

Thus, BOTTLE is coded as TOBELT. Hence, the first option is correct.

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