Find the appropriate relation for quantity 1 and quantity 2 in the following question:

 

An artificial kund is filled by three pipes with uniform flow. The first two pipes operating simultaneously fill the kund at the same time during which the kund is filled by the third pipe alone. The second pipe fills the kund 5 hours faster than the first pipe and 4 hours slower than the third pipe.

Quantity 1: The time required by the first pipe?

Quantity 2: Time taken by all three pipes to fill the Kund simultaneously

The angles of depression of two ships from the top of a light house are 60° and 45° towards east. If the ships are 300 m apart, the height of the light house is

The simplified value of 3-212-18 - 13 × 27 - 12 x 273 is closest to

Three runners A,B and C run a race, with runner A finishing 12 meters ahead of runner B and 18 meters ahead of runner C, while runner B finishes 8 meters ahead of runner C. Each runner travels the entire distance at a constant speed. The length of the race is

What is the effective discount (in %) on two successive discounts of 20% and 10%?

The ratio of angles of a triangle are 1 : 2/3 : 3. Then the smallest angle is

If tan (5x ­- 10°) = cot (5y + 20°), then the value of x + y is

The successive discount of 15%, 20% and 25% on an article is equivalent to the single discount of

A car takes 5 hours to cover 100 kms distance at a particular speed whereas another car takes 3 hours to reach a particular distance at the same speed. Find the distance.