In a class, there are 80 students who study both Computer Science and Electronics. While 100 students study Computer Science, 120 Students study Electronics, How many of them study Computer Science only? 

Find the odd word/letters/numbers from the given alternatives. 

In a certain code language, 743 means Mangoes are good, 657 mean Eat good food, and 934 means Mangoes are ripe. Which digit means ripe in that language?

In the following question below are given some statements followed by some conclusions. Taking the given statements to be true even if they seem to be at variance from commonly known facts, read all the conclusions and then decide which the given conclusion logically follows the given statements. 

Statements: 

All squares are rectangles. 

All rectangles are polygons. 

Conclusion: 

I. Square is not a polygon. 

II. Square is a polygon. 

III. Square is a rectangle and polygon

IV. Polygon is a square. 

5 people participated in a race. Karthik finished the race just behind Prabhjot. Faraz completed the race just before the Lakshya. Anil completed the race just before Faraz. Anil came in third place. Which of the following finished second in the race?

Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.

Statements:

1) All apples are fruit.

2) No Apple is flower.

Conclusions:

I. Some fruit are not flower.

II. No flower is fruit.

III. Some apple are fruit.

From the given options, which figure can be formed by folding the figure in the question?