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:- Find out the wrong number in the series:
125, 106, 88, 76, 65, 58, 53
125, 106, 88, 76, 65, 58, 53
A. 65
B. 76
C. 88
D. 106