I. a2-7a+12 = 0,

II. b2-3b+2 = 0

Solve both the equations to find the values of a and b  ?

Consider the given statements to be true and decide which of the conclusions logically follow from the statements.

Statements :

Some carpenters are plumbers. Some plumbers are daily wage labourers.

Conclusions :

1. Some plumbers are carpenters

2. Some daily wage labourers are plumbers

Consider the given statements to be true and decide which of the conclusions logically follow(s) from the statements.

Statement :

No mango is an orange. No orange is an apple. Some mangoes are apples.

Conclusions :

1. No apple is a mango

2. No apple is an orange

3. Some oranges are mangoes

4. All apples are mangoes

Consider the given question and decide which of the following statements iis sufficient to answer the question.

What is the birth year of Mr. Rajesh?

Statements :

1. At present Mr. Rajesh is 25 years younger to his father

2. Mr. Rajesh's sister who was born on 1974 is 35 years younger to his father

Decide which of the conclusions logically follow(S) from the information given in the statement.

Statement :

A company cannot make profit unless both, management and employees work together.

Conclusions :

1. The workers should be advised to cooperate with the management.

2. The management must be advised to cooperate with the employees.

Consider the given question and decide which of the following statements is sufficient to answer the question.

Five people P, Q, R, S and T, are standing in a line, who is in the middle?

Statements:

1. Q is to the left of T.

2. S is in between P and T.

Consider the given statements to be true and decide which of the conclusions logically follow(s) from the statements.

Statements :

Students passing from premier institutions such as IIM, IIT and IISC get placed in foreign countries and receive more salary than they received in India.

Conclusions :

1. Companies in India should pay the same salary as companies in foreign countries.

2. Students from these institutions should be barred from going to foreign countries.

Consider the given statements to be true and decide which of the conclusions logically follows from the given statements.

Statements :

Some crows are peacocks, all peacocks are ducks. Some ducks are pigeons.

Conclusions :

1. Some ducks are crows.

2. Some pigeons are peacocks.

Consider the given question and decide which of the following statements is sufficient to answer the question.

How many students in the class play Chess?

Statements :

1. Only girls play Chess.

2. There are 20 girls and 15 boys in the class.