Correct Answer: $7 \mathrm{~cm}$

Solution :
Given,
AD is a diameter
AC is a chord
OB = 7
$\angle{OBA} = 60°$
$\angle{DOC} = 60°$
Now, $\angle{DOC} + \angle{AOC} = 180°$ (The sum of the angles on a straight line is 180°) 
⇒ $60° + \angle{AOC} = 180°$
⇒ $ \angle{AOC}=

Correct Answer: Mahmud of Ghazni

Solution : The correct option is Mahmud of Ghazni

Mahmud of Ghazni was the ruler of Afghanistan, and he resorted to attacks and raids to fulfil the economic requirements of his native kingdom. Under his rule, Ghazni achieved several conquests. When Ghazni invaded India, it

Correct Answer: a-3, b-1, c-4, d-2

Solution : The correct option is a-3, b-1, c-4, d-2.

The Chinook results from Pacific air rising, and descending over the Rocky Mountains, melting snow rapidly. Foehn occurs when moist air rises, cools and descends on the leeward side of mountains, creating a warm,

Correct Answer: 3 : 1

Solution : At a profit of 30%, the selling price (SP) is Rs. 39.
Let the cost price (CP) of the mixture be Rs. $x$.
So, $\frac{130x}{100} = 39$
$\therefore$ CP = 30
By using the alligation rule,

Required ratio = (Mean value – Lower

Correct Answer: OIGDMU

Solution : Given: 
FRIEND is written as IIFDME, and DEMAND is written as MVDDMA. 

FRIEND is written as IIFDME  –

And, DEMAND is written as MVDDMA –

Similarly, follow the same pattern for GROUND –

So, GROUND is written as OIGDMU in the code language. Hence, the 

Correct Answer: Qatar

Solution : The correct answer is Qatar.

The 2022 FIFA World Cup, the 22nd edition of the global football championship, occurred in Qatar from November 20 to December 18, 2022. Qatar was awarded the hosting rights in 2010 and became the first Arab and Muslim nation

Correct Answer: REACT

Solution : Given:
LITERATURE

Now, let's compare all the option words with the word LITERATURE –
First option: LITERATE; All the letters of LITERATE are present in the word LITERATURE.
Second option: REAL; All the letters of REAL are present in the word LITERATURE.
Third option: TILE;

Correct Answer: Scurvy

Solution : The correct answer is Scurvy.

Scurvy is a disease caused by a deficiency of Vitamin C or not having enough Vitamin C in the diet for at least three months. Scurvy can lead to weakness, anaemia, gum disease and skin problems. The main reason

Correct Answer: Ampere

Solution : Given:
Force : Newton :: Current : ?

Like, Newton is the unit of measurement for force.
Similarly, Ampere is the unit of measurement for electric current.

Hence, the second option is correct.

Correct Answer: (1)

Solution : The error lies in the first part of the sentence.

The reason for this is that the word "earthquake" begins with a vowel sound, so it should be preceded by the article "an" instead of "a".

Therefore, the correct sentence is: "In 1906, an earthquake