Complete the series 1, 3, 4, 13, 53, ____

Fi nd the next term in the series 123, 129, 141, 147, ______

Find the next term in the series 123, 129, 141, 147, ______

What is the missing number in this series: 8 2 14 6 11 ? 14 6 18 12

5, 6, 3, 4, 1, ____

960 839 758 709 ? 675

Complete the series 25, 125, 36, 216, 49, ___

If the sum of the first 11 terms of an arithmetic progression equals that of the first 19 terms, then what is the sum of the first 30 terms?

If log₃2, log₃(2^x – 5), log₃(2^x – 7/2) are in arithmetic progression, then the value of x is equal to

21 goats eat as much as 15 cows. How many goats each as much as 35 cows?