Correct Answer: 49.6%

Solution : We know:
Equivalent single discount = $(a+b-\frac{a×b}{100}$)%,
Where $a,b$ are successive discounts.
So, $20+10-\frac{20\times 10}{100}=28$%
Now again $a = 28$% and $b = 30$%
So, $28+30-\frac{28\times 30}{100}=49.6$%
Hence, the correct answer is 49.6%.

Correct Answer: Something which is very simple

Solution : The correct answer is the second option.

Explanation:

An idiomatic expression piece of cake is used for things that are very easy to do, which is correctly explained in the second option, something which is very simple.

Correct Answer: Saddle

Solution : The correct answer is Saddle.

The highest peak in the Andaman and Nicobar Islands is Saddle Peak. It is located on North Andaman Island and reaches an elevation of 732 metres (2,402 feet) above sea level. Saddle Peak is a significant geographical feature in

Correct Answer: Co-worker

Solution : The correct synonym is the first option.

Explanation:

Co-worker: This term accurately represents a person who works with others in the same organisation or profession, making it the correct synonym for "colleague".

The meanings of the other options are as follows:

Consult: This term means

Correct Answer: had returned

Solution : The correct answer is the first option.

Explanation:

The sentence is referring to an action that occurred in the past. Thus, to make the sentence grammatically correct, had return should be replaced with had returned, as it is the correct verb form

Correct Answer: Virender Sehwag

Solution : The correct answer is Virender Sehwag.

Virender Sehwag is the first Indian cricket to score a triple century in Test Cricket in March 2004 against Pakistan. In 2016, Karun Nair became the second Indian batsman to achieve this feat against England. Andy Sandham

Correct Answer: 168

Solution : Given:
The average of 8 numbers = 21
If the average of x numbers is y and each number is multiplied by z, then the new average will be (y × z).
According to the question,
Required new average = Old average × 8
$\therefore$

Correct Answer: confiscate

Solution : The third option is the correct answer.

The word confiscate is the most appropriate choice in this context because it means explicitly to seize or take possession of something as a penalty or punishment, typically by an authority or a person in charge.

The other

Correct Answer: 7

Solution : Series = 1 + 3 + 3² + ...+ 3ⁿ
It is a geometric series whose common ratio is 3.
We know,
a + ar + ar²+.......+ar^n–1 = $\frac{ar^n–1}{r-1}$, where r >1
Here, a = 1, r = 3
Using

Correct Answer: 16.5

Solution : 3126 ÷ 4 of 521 + 5 × 3
= 3126 ÷ 2084 + 5 × 3
= 1.5 + 5 × 3
= 1.5 + 15
= 16.5
​​​​​​​Hence, the correct answer is 16.5.