I. a2-7a+12 = 0,

II. b2-3b+2 = 0

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

Read the following information and answer the following questions below.

In a class of 90 students, 80 students like burger or pizza.
62 like burger and 56 like pizza.

How many like don't like burger?

Read the following information and answer the following questions below.

In a class of 90 students, 80 students like burger or pizza.
62 like burger and 56 like pizza.

How many like both burger and pizza?

Read the following information and answer the following questions below.

In a class of 90 students, 80 students like burger or pizza.
62 like burger and 56 like pizza.

How many like neither burger nor pizza?

Below are given statements followed by some conclusions. You have to take the given statements to be true even if they seem to be at variance with the commonly known facts.

Statements :
1) Beacuse of motor vehicles like cars, pollution has increased manifold.
2) Resiratory diseases are increasing due to pollution.

Conclusions :
1) If cars were not there pollution would be nil.
2) Doctors earn a lot due tgo pollution.

Decide which of the given conclusions logically follows from the given statements.

Below are given statements followed by some conclusions. You have to take the given statements to be true even if they seem to be at variance with the commonly known facts.

Statements :
1) Some kids are clever.
2) Some kids are players.

Conclusions :
1. Some players are clever.
2. Some clever kids are players.

Decide which of the given conclusions logically follow(S) from the given statements.

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

Which of the natural numbers A, B, C, D and E are odd numbers?

Statements :
1. A, B, C, D and E are natural numbers.
2. B is a prime number.

Consider the given statement as true and decide which of the given conclusions can definitely be drawn from the given statements.

Statements :
Some actors are businessmen.
All businessmen are intelligent.

Conclusions :
1. Allactors are intelligent.
2. All businessmen are actors.

Decide which of the conclusions logically follows from the information given in the statement.

Statements
Poverty is increasing because politicians don't understand poverty nor do they know anything about the problems faced by the poor.

Conclusions:
1. All politicians should be replaced.
2. All politicians should be asked to live in poor conditions.