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Given:

Product's original price = INR 500

Discount = 20%

Tax on the discounted price = 5%

Product's price after discount = Product's original price × (1 - Discount)

= 500 × (1 - 20/100)

= 500 × (1 - 1/5)

= 500 × 4/5

= INR 400

Product's price after tax = Product's price after discount × (1 + Tax)

= 400 × (1 + 5/100)

= 400 × (1 + 1/20)

= 400 × (21/20)

= INR 420

Thus, final price is INR 420.

Hence, "Option 4" is the correct answer.

Given:

A girl starts from her school gate and walks 10m East, then 4m South, then 8m West.

She then walks 2m North, turns right and walks 6 m.

After that, she turns left and walks 2m, and finally turns left again and walks 6 m. 

Thus, the girl is 2 km far from the school gate in the east direction.

Hence, the correct answer is "Option 1".

Decoding signs:

Given: 8 + (3 - 2) * 4 / 1 = ?

8 + (3 - 2) * 4 / 1 = ? ⇒ 8 - (3 × 2) ÷ 4 + 1 = ?

⇒ 8 - (3 × 2) ÷ 4 + 1 = ?

⇒ 8 - 6 ÷ 4 + 1 = ?

⇒ 8 + 1 - 1.5 = ?

⇒ 9 - 1.5 = ?

⇒ 7.5 = ?

Hence, "Option 3" is the correct answer.

The least possible Venn diagram for the given statements is as shown below :

Conclusions:

(1) No flower is a stone. → Follow (As all flowers are plants and no plant is a stone. So whole flowers comes in plants which cannot be stone, therefore is true.)

(2) Some plants are not heavy. → Does not follow (As no plant is a stone and some stones are heavy. So it is possible but not definite.)

(3) Some flowers are heavy. → Does not follow (As all flowers are plants, no plant is a stone and some stones are heavy. So it is possible but not definite.)

(4) Some heavy things are not plants. → Follow (As no plant is a stone and some stones are heavy. So some part of heavy is common with stone which cannot be plants, therefore it is true.)

∴ Here, only (1) and (4) follow.​

Hence, the correct answer is "Option 1".

The logic followed here is:

BED : EGE

Similarly,

LEG : ?

Hence, "Option 3" is the correct answer.

The logic applied for the given input is:

1. The rearrangement rule is to move the "alphabetically smallest word" to the leftmost side and the "numerically largest number" to the rightmost side in each step.

2. This process continues until all words are at the left, sorted alphabetically, and all numbers are at the right, sorted in descending order.

Input: 100 Orbit 35 Dream 44 67 Space Apple

Step 1: Apple Orbit 35 Dream 44 67 Space 100

Step 2: Apple Dream Orbit 35 44 Space 67 100

Step 3: Apple Dream Orbit 35 Space 44 67 100

Step 4: Apple Dream Orbit Space 35 44 67 100

Thus, the arrangement in Step II is → Apple Dream Orbit 35 44 Space 67 100

Hence, the correct answer is "Option 2".

Given: Ravi ranks 12^th from the top and 21^st from the bottom in a class.

Ravi's rank from the top → 12^th

Ravi's rank from the bottom → 21^th

Total students → Ravi's rank from the top + Ravi's rank from the bottom - 1

= 12 + 21 - 1 → 32

Hence, "Option 4" is the correct answer.

The logic followed here is:

BLUSH : DMQWI

Similarly,

CRASH : ?

Hence, "Option 4" is the correct answer.

The logic followed here is:

Gravity: Planet → Gravity is a force exhibited by a planet.

Similarly,

Magnetism: ? → Magnetism is a force exhibited by a metal.

Hence, the correct answer is "Option 3".

According to the question:

First task should be → A team meeting (in 1 hour), because of the closest deadline. It is immediate and time-bound.

Thus, should attend the team meeting first.

Hence, "Option 3" is the correct answer.

Additional Information

A project worth 50% of your grade (due in 3 days ) → Most Important among all three tasks but not the most urgent and have time to prepare even after the meeting.

An optional quiz (due tonight) → Least in priority and have time to prepare even after the meeting.