216 .

40 cattle can graze a grassland for 60 days. The number of cattle that will graze a grassland 2 times as large in 40 days is:

40 cattle can graze a grassland for 60 days. The number of cattle that will graze a grassland 2 times as large in 40 days is:

A.150

B. 120

C. 90

D.60

E.30

View AnswerAns: 120
217 .

In a 3 litre mixture of water and milk, 50 % is milk. How much water should be added so that the percentage of milk becomes 20 % ?

In a 3 litre mixture of water and milk, 50 % is milk. How much water should be added so that the percentage of milk becomes 20 % ?

A.1.5 litre

B. 2.5 litre

C. 3.5 litre

D.4.5 litre

E.5.5 litre

View AnswerAns: 4.5 litre
218 .

Find out the missing number.

0 , 1 , 1 , 2 , 3 , 5 ,__ , 13 , 21

Find out the missing number.

0 , 1 , 1 , 2 , 3 , 5 ,__ , 13 , 21

A.7

B. 8

C. 9

D.10

E.11

View AnswerAns: 8
219 .

$ \sqrt{97344} = ? $

$ \sqrt{97344} = ? $

A.302

B. 312

C. 322

D.332

E.342

View AnswerAns: 312
220 .

What is the age of a class teacher ?

I. There are 11 students in the class.

II. The average age of the students and the teacher is 14 years.

III.The average age of the teacher and the students is 3 years more than that of the students.

What is the age of a class teacher ?

I. There are 11 students in the class.

II. The average age of the students and the teacher is 14 years.

III.The average age of the teacher and the students is 3 years more than that of the students.

A.Both I and III

B. Both I and II

C. Either I or III

D.All I, II and III

E.None of these

View AnswerAns: All I, II and III