Explanation

Speed = 200 km/hr

Time from 12:24 PM to 2:12 PM:

From 12:24 to 1:24 = 1 hour

From 1:24 to 2:12 = 48 minutes

Total time = 1 hour 48 minutes = 1 + 48/60 = 1.8 hours

Distance = Speed × Time

Distance = 200 × 1.8

Distance = 360 km

Last verified on 05-08-2026

Explanation

The hour hand and minute hand coincide once every 65 and 5/11 minutes.

In 12 hours they coincide 11 times. 

They do not coincide at 12:00 at both the start and end, because that would count the same time twice.

Last verified on 03-08-2026

Explanation

22 km = 22,000 m

Circumference of wheel:

22000/500​=44 m

Using $C=\pi d$:

44=22​/7×d
$$d=14\text{m}$$

$$Last\; updated\; 27-07-2026\; by\; NA$$

Explanation

Given:

• Distance = 300 km
• Speed of first train = 60 km/h
• Speed of second train = 90 km/h

Since they are moving toward each other, their relative speed is:

$$60+90=150\text{km/h}$$

Time:

300​/150=2 hours

Last updated 25-07-2026 by NA

Explanation

This is an inverse proportion problem.

Formula:

Given:

• Men₁ = 39
• Days₁ = 29
• Men₂ = 29
• Days₂ = ?

Last updated 18-07-2026 by NA