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Question : Select the option that can be used as a one-word substitute for the given group of words.

The study of coins

Option 1: Currency

Option 2: Minting

Option 3: Numismatics

Option 4: Barter

Team Careers360 21st Jan, 2024

Correct Answer: Numismatics


Solution : The correct one-word substitute for the given group of words is the third option.

"Numismatics" is the field of study that specifically focuses on coins, their history, and their collection and is the appropriate choice.

The meanings of the other options are as follows:

  • "Currency"

16 Views

Question : If the income of R is 30% more than the income of Q and the income of Q is 20% more than the income of P, then the income of R is how much percent more than the income of P?

Option 1: 50%

Option 2: 10%

Option 3: 56%

Option 4: 55%

Team Careers360 21st Jan, 2024

Correct Answer: 56%


Solution : Let the income of P be 100.
So, the income of Q = 100 × 1.2 = 120
Income of R = 120 × 1.3 = 156
R's income is more than P's income by:
= $\frac{156–100 }{100}$ × 100
= $\frac{56}{100}$ × 100
=

9 Views

Question : Direction: In this question, some equations are solved on the basis of a certain system. On the same basis find out the corrective alternative for the unsolved equation.

1 x 2 x 3 = 231 

3 x 4 x 5 = 453

5 x 6 x 7 = ?

 

Option 1: 657

Option 2: 675

Option 3: 756

Option 4: 765

Team Careers360 13th Jan, 2024

Correct Answer: 675


Solution : Here, the given equations follows a pattern in which the first number, the middle number and the last number in LHS becomes the units place digit , the hundreds place digit and the tens place digit in the answer part in RHS respectively.

⇒ 1

9 Views

Question : Identify the segment in the sentence which contains the grammatical error.

I have acquire a feeling of self-confidence and courage.

Option 1: I have

Option 2: acquire a feeling

Option 3: of self-confidence

Option 4: and courage

Team Careers360 19th Jan, 2024

Correct Answer: acquire a feeling


Solution : The error lies in the second option.

The error lies in the use of the base form of the verb acquire without the appropriate past participle acquired. In this context, when expressing that the feeling of self-confidence and courage has been obtained in

14 Views

Question : What is that rate of simple interest at which a sum of money becomes three times itself in 36 years?

Option 1: 7.28%

Option 2: 6.86%

Option 3: 5.55%

Option 4: 6.28%

Team Careers360 17th Jan, 2024

Correct Answer: 5.55%


Solution : According to the question:
⇒ Principal + Interest = 3 × Principal
⇒ $P + \frac{P× R×T}{100} = 3P$
⇒ $P(1 + \frac{R × T}{100}) = 3P$
⇒ $(1 + \frac{R × T}{100}) = 3$
⇒ $\frac{R × 36}{100} = 2$
⇒ $R = \frac{200}{36}$

13 Views

Question : If $\frac{\cos ^2 \theta}{\cot ^2 \theta–\cos ^2 \theta}=3$, where $0^{\circ}<\theta<90^{\circ}$ then the value of $\theta$ is:

Option 1: $45^{\circ}$

Option 2: $50^{\circ}$

Option 3: $60^{\circ}$

Option 4: $30^{\circ}$

Team Careers360 23rd Jan, 2024

Correct Answer: $60^{\circ}$


Solution : Given: The value of $\frac{\cos ^2 \theta}{\cot ^2 \theta–\cos ^2 \theta}=3$, where $0^{\circ}<\theta<90^{\circ}$.
Use the trigonometric identity, $\sin^2 \theta+\cos^2 \theta=1$.
$\frac{\cos ^2 \theta}{\cot ^2 \theta–\cos ^2 \theta}=3$
⇒ $\cos ^2 \theta=3(\cot ^2 \theta–\cos ^2 \theta)$
⇒ $\cos ^2 \theta=3(\frac{\cos ^2 \theta}{\sin^2 \theta}–\cos ^2 \theta)$
Dividing

18 Views

Question : In the following figure, if l || m, then find the measures of angles marked by a and b.

Option 1: a = 90$^{\circ}$ and b = 90$^{\circ}$

Option 2: a = 55$^{\circ}$ and b = 125$^{\circ}$

Option 3: a = 70$^{\circ}$ and b = 110$^{\circ}$

Option 4: a = 60$^{\circ}$ and b = 120$^{\circ}$

Team Careers360 12th Jan, 2024

Correct Answer: a = 70$^{\circ}$ and b = 110$^{\circ}$


Solution : Since $l \parallel m$,
⇒ $\angle$ c = 110$^{\circ}$ (corresponding angles are equal)
Also, $\angle$ a + $\angle$ c = 180$^{\circ}$ (supplementary angles)
⇒ $\angle$ a = 180$^{\circ}$ – 110$^{\circ}$ = 70$^{\circ}$
Now, $\angle$ b = $\angle$ a +

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