Verbal Reasoning - Logical Deduction Questions

In the following questions are to be based on the details given below.

A salesman visits 274 houses in a town to find out the views about three products X, Y and Z. He found that 157 use X, 98 use only X, 22 use all the three, 14 use X and Z but not Y, 39 use Y and Z, 48 use only Y.

What fraction used at least two products?

If banana is apple, apple is grapes, grapes is mango, mango is nuts, nuts is guava, which of the following is a yellow fruit ?

Consider the given statement and decide which of the given assumptions is/are implicit.

Statement :
The train fares have increased by 25% with immediate effect.

Assumptions :
1. People still prefer travelling by train despite the increase.
2. Other modes of commutation may also increase their fares.

The office building needs repairing just as urgently as it needs internal as well as external painting

Assumptions:

1. Efficiency of people working in the office cannot be improved unless office building is reapaire

2. Repairing and painting of office building require funds

Read the following paragraph and answer the question based on it.

The ongoing progress in technologies continue to throw up fresh risks related to data privacy nd security. There can be no true progress in technologies without such risks. The IT industries need to be equipped to handle such risks.

Which option relates best to the above statement ?

If farmers want to improve their yield, they must use organic fertilizers in place of chemical fertilizers.

Assumptions: 

I. Chemical fertilizers have certain ill effects on health 

II. Chemical fertilizers do not produce as much yield as the organic fertilizers.

Duty free technology parks where foreign firms can manufacture electronic hardware components are proposed to be established at various places in the country.

Courses of Action:

I. Government should immediately implement the proposal to augment the foreign currency reserve by exporting the products.

II. Government should not implement the proposal as it will hinder indigenous production of hardware components.

The food processing industry was touted to be a sunrise industry for India some years ago and, on the face of it , there was little reason to doubt that

Conclusions: 

I. India has an advantage in food processing because of the varied agro-climatic conditions and availabilty of raw materials.

II. Food processing is one of the basic industries which suports our lives.