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15 Views

Question : Damping off seedlings is caused by

Option 1: Peronospora parasitica

Option 2: Albugo candida

Option 3: Phytophthora infestans

Option 4: Pythium debaryanum

Team Careers360 25th Jan, 2024

Correct Answer: Pythium debaryanum


Solution : The correct answer is Pythium debaryanum.

Damping off is a horticultural disease in which seeds and seedlings die or weaken before germination. It is caused by soil-borne fungi, and the most common fungi responsible for it is Pythium debaryanum. Phytophthora, Alternaria and Fusarium

133 Views

Question : Directions: Select the number from among the given options that can replace the question mark (?) in the following series.
383, 381, 377, 369, 353, (?)

Option 1: 325

Option 2: 323

Option 3: 322

Option 4: 321

Team Careers360 25th Jan, 2024

Correct Answer: 321


Solution : Given:
383, 381, 377, 369, 353, (?)

Follow the pattern to find the missing term –

So, 321 is the missing term in the series. Hence, the fourth option is correct.

39 Views

Question : Directions: At the time of sunrise, Diksha and Arpita are sitting in a park with their backs facing each other. If the shadow of Diksha falls to the right of Arpita, then in which direction is Arpita facing?

Option 1: North

Option 2: East

Option 3: West

Option 4: South

Team Careers360 25th Jan, 2024

Correct Answer: South


Solution : Given:
At the time of sunrise, Diksha and Arpita are sitting in a park with their backs facing each other.


At the time of Sunrise, the Sun is in the east direction, and the shadow will be in the west direction, 
So, it is given

24 Views

Question : If $a-b=8$ and $4ab=84$, then what is the value of $3a^3-3b^3$?

Option 1: 1016

Option 2: 2032

Option 3: 1018

Option 4: 3048

Team Careers360 25th Jan, 2024

Correct Answer: 3048


Solution : Given: $a-b=8$ and $4ab=84$
⇒ $ab=21$
Now, $a-b=8$
Cubing both sides we get,
⇒ $(a-b)^3=8^3$
⇒ $a^3-b^3-3ab(a-b)=512$
Putting the values, we get:
⇒ $a^3-b^3-3\times 21\times8=512$
⇒ $a^3-b^3=512+504$
⇒ $a^3-b^3=1016$
$\therefore 3a^3-3b^3 =3\times1016=3048$
Hence, the correct answer is 3048.

10 Views

Question : Directions: In this question, a sentence is given with a blank to be filled in with an appropriate word. Four alternatives are suggested for each question. Choose the correct alternative out of the four alternatives.

A garden knife is ___ used for right pruning.

Option 1: Generally

Option 2: Compulsorily

Option 3: Systematically

Option 4: Daily

Team Careers360 25th Jan, 2024

Correct Answer: Generally


Solution : The correct answer is the first option.

Generally indicates that a garden knife is commonly or typically used for pruning but does not specify any particular method or frequency.

The meanings of the other options are as follows:

Systematically: This adverb implies that the garden

13 Views

Question : Select the option that will improve the (bracketed) part of the sentence. In case of no improvement, select the option 'No improvement'.
Check all radiators for (meagre leaks, special) round pipework connections.

Option 1: No improvement

Option 2: cramped leaks, specially

Option 3: small leaks, especially

Option 4: modest leaks, specially

Team Careers360 25th Jan, 2024

Correct Answer: small leaks, especially


Solution : The third option is correct.

The term meagre leaks is not commonly used and can be confusing. Also, the adverb especially is the correct word to use here because it emphasises that particular attention should be given to the pipework connections.

Therefore,

18 Views

Question : In a $\triangle A B C, \angle B+\angle C=110^{\circ}$, then find the measure of $\angle A$.

Option 1: 90°

Option 2: 70°

Option 3: 80°

Option 4: 60°

Team Careers360 25th Jan, 2024

Correct Answer: 70°


Solution : In a $\triangle A B C, \angle B+\angle C=110^{\circ}$
The sum of angles in a triangle = 180°
⇒ $\angle A +\angle B+\angle C = 180°$
⇒ $\angle A + 110° = 180°$
⇒ $\angle A = 70°$
Hence, the correct answer is 70°.

10 Views

Question : The given expression is equal to $\frac{\sin^4 A+\cos^4 A}{1-2 \sin^2 A \cos^2 A}$:

Option 1: 1

Option 2: –1

Option 3: 0

Option 4: 2

Team Careers360 25th Jan, 2024

Correct Answer: 1


Solution : $\frac{\sin^4 A+\cos^4 A}{1-2 \sin^2 A \cos^2 A}$
Since $\sin^2A+\cos^2 A=1$ and $(\sin^2A+\cos^2 A)^2=1$,
$=\frac{\sin^4 A+\cos^4 A}{(\sin^2A+\cos^2 A)^2 -2 \sin^2 A \cos^2 A}$
$= \frac{\sin^4 A+\cos^4 A}{\sin^4A+\cos^4 A -2 \sin^2 A \cos^2 A +2 \sin^2 A \cos^2 A}$
$=\frac{\sin^4 A+\cos^4 A}{\sin^4A+\cos^4 A }$
$=1$
Hence, the

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