Explanation

• The idiom “once in a blue moon” means something that happens very infrequently.
• It refers to an event that is rare or almost never happens.

Last verified on 04-05-2026

Explanation

(1 - sinθ)(1 + sinθ) = 1 - sin²θ = cos²θ

Last verified on 10-03-2026

Explanation

Step 1: Let A's time = t seconds

- So, B’s time = t + 10 seconds

- B runs 950 meters in t seconds (because when A finishes, B is at 950 meters)

- So B’s speed = 950 / t meters per second

Now use B’s speed to find time B takes to run full 1000 meters:

Time = Distance / Speed = 1000 / (950 / t) = (1000t) / 950

We’re also told that B takes 10 seconds more than A:

So,

(1000t / 950) = t + 10

Multiply both sides by 950:

1000t = 950t + 9500

1000t - 950t = 9500

50t = 9500

t = 190 seconds

Explanation

A right circular cylinder of radius r cm and height h cm (h > 2r) just encloses a sphere, which means the sphere is inscribed in the cylinder.

The diameter of the sphere is equal to the diameter of the circular base of the cylinder, which is 2r cm.

Explanation

کچھ ویب سائیٹ پر اس کا جواب غلط دیا گیا ہے ٹھیک جوا ب یہی ہے

In the revised Bloom's Taxonomy, the cognitive domain is structured as follows (from lowest to highest order of thinking skills):

1. Remembering

2. Understanding

3. Applying

4. Analyzing

5. Evaluating

6. Creating (Most complex)

So, while Evaluating is a high-level skill, Creating is considered the most complex and advanced cognitive skill in Bloom's taxonomy.

Explanation

• A rubric is a scoring guide used to evaluate the quality of students' work, such as assignments, projects, and essays.
• It outlines specific criteria and standards for assessment, providing a clear and objective way to measure student performance.

Explanation

Tap X can fill the tank in 10 hours, which means it fills 1/10 of the tank per hour.

Tap Y can fill the tank in 15 hours, which means it fills 1/15 of the tank per hour.

When both taps are opened together, their combined rate of filling the tank is the sum of their individual rates:

(1/10 + 1/15) of the tank per hour

To add these fractions, we need a common denominator, which is 30. So we get:

(3/30 + 2/30) = 5/30 = 1/6 of the tank per hour

Since they fill 1/6 of the tank per hour together, they will fill the entire tank in 6

hours.

Explanation

Obsolete means پرانا یا قدیمی

Recent means  نیا یا جدید

Explanation

This sentence belongs to Passive Voice.

We use by in Passive voice.

We use doer of an action after by.

By is considered to be preposition.

The vice-president will be seated by the chairman at the banquet. 

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Explanation

Exonerate means رہا کرنا، بری کرنا، آزاد کرنا

Absolve means بخش دینا