Editorial Board and Pratiyogita Darpan Solutions for Chapter: Practice Set, Exercise 14: PRACTICE SET-14

Which permanent tissue makes a plant hard and stiff?

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

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

Conclusions: 
(I) No apple is a mango. 
(II) No apple is an orange. 
(III) Some oranges are mangoes. 
(IV) All apples are mangoes.

The question below consists of a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read both the statements and Give answer.

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

(I) Q is to the left of T.
(II) S is in between P and T.

The question below consists of a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read both the statements and Give answer.

What is the birthday of Mr Rajesh? 

(I) At present, Mr Rajesh is $25$years younger than his father. 

(II) Mr Rajesh's sister born in $1974$ is $35$ years younger than his father. 

A pipe can fill a sump with water in $2$ hours. Because of a leak, it took $2\frac{2}{3}$ hours to fill the sump. The leak can drain all the water of the sump in:

The calendar for the year $2020$ will be the same for the year :

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

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

Conclusions: 
(I) The workers should be advised to cooperate with the management. 

(II) The management must be advised to cooperate with the employees.

One-third of Pooja's age three years ago plus one-half of her age two years from now is twenty years. How old is she now?