Correct Answer: To be old, often too old to do something

Solution : The third option is the correct choice.

This idiom, long in the tooth is often used to humorously or colloquially describe someone who is ageing or has been around for a long time, implying that they may

Correct Answer: The table was graced with a lovely showpiece

Solution : The third option is the correct answer.

Explanation:
Graced is the correct spelling of the word, meaning adorned or decorated with elegance. Lovely is the correct spelling, describing the quality of the showpiece. The correct sentence is free

Correct Answer: × and =

Solution : Given:
8 = 5 – 31 + 12 ÷ 2 × 15

Replace the given symbols in the options one by one with the original symbols in the given equation.
First option: + and ÷
⇒ 8 = 5 – 31 ÷ 12

Correct Answer: 8F1S

Solution : Given:
WATCH is coded as 5B2D8.

Determine the sum of the digits of the place value of the letters and add 1 in the place value of letters of WATCH alternatively, to obtain the required code –
W→23 = 2 + 3 = 5; A→1

Correct Answer: 33.33%

Solution : Given: $A = 8X$ and $B = 6X$.
The difference of $A$ and $B = 8X-6X=2X$
We know, the required percentage $=\frac{A–B}{B}\times 100\%=\frac{2X}{6X}\times 100=33.33\%$
Hence, the correct answer is 33.33%.

Correct Answer: many

Solution : The first option is correct.

The adjective many is used here to modify the noun reasons. In this context, many means numerous for a large number of reasons. The word many is appropriate in this sentence because it emphasises that there are several reasons

Correct Answer: Only II

Solution : Given:
8 and 2 are interchanged –
I. 8 × 4 – 6 ÷ 3 + 2 = 14
II. 6 – 8 × 3 + 2 ÷ 1 = 9

For equation I –
After interchanging the given numbers, we get –
⇒

Correct Answer: teased and joked

Solution : The correct choice is the third option.

Explanation:

• The original sentence contains a grammatical error. It uses "joking" as a present participle, but it should be "joked" to match the structure of the sentence.
• In the revised sentence, "joked" is used instead

Correct Answer: Secondary sector

Solution : The correct answer is the Secondary sector.

Weaving clothes from cotton fibre is classified as a secondary economic activity. Weaving cotton fibre garments is an industrial technique. Raw cotton is then spun into yarn that is subsequently woven into fabric. This fabric can

Correct Answer: Eco-niche

Solution : The correct answer is Eco-niche.

The term "Eco-niche" is short for "ecological niche". It refers to the position and role of a species or population in its environment, including its interactions with other organisms and the way it uses resources. It involves how a species