Ques:- In what ratio must 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 : 1
B. 3 : 2
C. 3 : 4
D. 4 : 5
Ques:- Find out the wrong number in a given series.
1, 2, 8, 33, 148, 760, 4626
1, 2, 8, 33, 148, 760, 4626
A. 2
B. 33
C. 148
D. 760