Ques:- In what ratio must tea at Rs. 62 per kg be mixed with tea at Rs. 72 per kg so that the mixture must be worth Rs. 64.50 per kg?
A. 3 : 1
B. 3 : 2
C. 4 : 3
D. 5 : 3
Ques:- In each questions below are given two statements followed by two conclusions numbered I and II.
Statements :
All pens are roads. All roads are houses.
Conclusions :
I. All houses are pens.
II. Some houses are pens.
Statements :
All pens are roads. All roads are houses.
Conclusions :
I. All houses are pens.
II. Some houses are pens.
A. if only conclusion I follows
B. if only conclusion II follows
C. if either conclusion I or II follows
D. if neither conclusion I nor II follows
E. if both conclusions I and II follow
Ques:- Find out the wrong number in the series:
3, 4, 9, 22.5, 67.5, 202.5, 810
3, 4, 9, 22.5, 67.5, 202.5, 810
A. 4
B. 9
C. 67.5
D. 202.5
Ques:- In a class , except 18 all are above 50 years. 15 are below 50 years of age. how many people are there
A. 30
B. 33
C. 36
D. none of these.