
Ques:- Find out the wrong number in the series:
789, 645, 545, 481, 440, 429, 425
789, 645, 545, 481, 440, 429, 425
A. 429
B. 440
C. 481
D. 645
Ques:- The cost of Type 1 rice is Rs. 15 per kg and Type 2 rice is Rs. 20 per kg. if both Type I and Type 2 are mixed in the ratio of 2 : 3, then the price per kg of the mixed variety of rice is
A. Rs. 18
B. Rs. 18.50
C. Rs. 19
D. Rs. 19.50