Correct Answer: 60 days

Solution : Let the total work to be done as 1 unit. 
Time taken by A and B to finish the work = 30 days
Work done by them in one day = $\frac{1}{30}$ units
Work done by them in 20 days = $20×\frac{1}{30} = \frac{2}{3}$

Correct Answer: Gluttony

Solution : The correct choice is the first option.

The most appropriate antonym for abstinence is gluttony, because abstinence denotes stopping yourself from having or doing something that you enjoy, while gluttony denotes greed or excessive indulgence.

The meanings of the words are:

• Celibacy: It denotes the

Correct Answer: Mrs. Sarojini Naidu

Solution : The correct option is - Mrs. Sarojini Naidu

The first woman to become a Governor of a state in free India was Sarojini Naidu. She was appointed as the Governor of the United Provinces of Agra and Oudh (present-day Uttar Pradesh) in 1947.

Correct Answer: Chaotically

Solution : The third option is correct.

Meticulously means very carefully whereas chaotically suggests disorder, a lack of careful planning, and the opposite of meticulous organisation.

The meanings of the other options are as follows:

• Mesmerisingly means something captivating or enchanting.
• Prudently implies carefulness.
• Serenely means peacefully

Correct Answer: Jan Tinbergen and Ragnar Frisch

Solution : The correct answer is Jan Tinbergen and Ragnar Frisch.

The first Nobel Memorial Prize in Economic Sciences was given in 1969 to Ragnar Frisch (Norway) and Jan Tinbergen (The Netherlands) for having developed and applied dynamic models for the analysis of

Correct Answer: SJSUES

Solution : Given:
FATHER is coded as FBTIES.

Add 0 and 1 alternatively to the place value of each letter of FATHER, to obtain the required code –
F + 0 = F; A + 1 = B; T + 0 = T; H + 1 =

Correct Answer:

Solution : According to the given figures –
1. In each box S is rotated 90° in the clockwise direction.
2. The rotation occurs one by one in the clockwise direction. In box 2, S which is in the centre of the box is rotated 90° in the

Correct Answer: Northern Odisha

Solution : The correct option is Northern Odisha.

Northern Odisha is known for the production of high-grade iron ore deposits. Kendujhar District is one of the major mining districts in Odisha and has substantial reserves of hematite iron ore, which is of good quality.

Correct Answer: Son

Solution : Given:
A + B ⇒ A is the father of B
A – B ⇒ A is the mother of B
A / B ⇒ A is the wife of B
A × B ⇒ A is the husband of B

As per the given

Correct Answer: Flaw

Solution : The correct choice is the third option.

Explanation: The group of words "an imperfection; a blemish; a crack" suggests the presence of a defect or flaw. Among the options, flaw is a suitable one-word substitute for this meaning.

The meanings of the other options