Ques:- Which country is the largest producer of gold in the world?
A. U.S.A.
B. South Africa
C. Russia
D. Switzerland
Ques:- In what ratio must be a grocer mix two varieties of tea worth Rs. 60 a kg and Rs. 65 a kg so that by selling the mixture at Rs. 68.20 a kg he may gain 10%?
A. 3 : 2
B. 3 : 3
C. 3 : 4
D. 3 : 6
Ques:- Among the following statements, the statement which is not correct is
A. Every natural number is an integer.
B. Every natural number is a real number.
C. Every real number is a rational number.
D. Every integer is a rational number.
Ques:- Mohan is thirteenth from the left end in a row of children.Prabir is twelfth from the right end and eighteenth from the left end. How many children are towards the right of Mohan in that row?
A. 12
B. 18
C. 17
D. Cannot be determined
E. None of these