# HCL Papers: Sample Questions 39 - 40 of 57

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## Question number: 39

MCQ▾

### Question

In a straight highway two cars start from the same point in opposite directions each travels for 8 km and take left turn then travel for 6 km. What is the distance between them now?

### Choices

Choice (4) Response

a.

16

b.

20

c.

25

d.

10

b.

### Explanation

Two cars start from the same point in opposite directions and each travels for 8 km.

After then both took left turn and travel 6 km. Image Showing Designed Geometry Let the starting point of both cars is A.

One car move towards B and another car travel towards C.

Here, AB = AC = 8 km

After then both took left turn and travel 6 km.

From B one car travels towards D and from C another car travels towards E.

Here, BD = CE = 6 km

Applying Pythagoras theorem for triangle DBA,

Applying Pythagoras theorem for triangle ECA,

Distance between both the cars at end will be,

=

## Question number: 40

MCQ▾

### Question

A warehouse had a square floor with area 10,000 sq. meters. A rectangular addition was built along one entire side of the warehouse that increased the floor by one-half as much as the original floor. How many meters did the addition extend beyond the original buildings?

### Choices

Choice (4) Response

a.

50

b.

500

c.

10

d.

20

a.

### Explanation

• The square floor area of warehouse is 10,000 sq. meters.

Area of square =

Here, = 10000

Therefore, l = 100 m

• All the sides of square are of 100 m.
• A rectangular addition was built along one entire side of the warehouse that increased the floor by one half as much as the original floor.
• So, the area of this rectangular addition will be 5000 sq. meters and its length will be 100 m.

Area of rectangle =

• So, 50 m floor is extended.