Find the sum of even numbers below 281.?

More Questions from Odd Man Out and Series

• The sum to 12 terms of an AP is equal to the sum to 18 terms. What will be the sum to 30 terms for this series?
• The number of bacteria in a certain culture doubles every hour. If there were 50 bacteria present in the culture originally, how many bacteria will be born in 12th hour?
• For doing a certain job, boy is offered ₹ 5 on the first day, ₹ 15 on the second day, ₹ 45 on the third day and so no. How much will the boy earn at the end of seven days?
• The age of the father of two children is twice that of the elder one added to four times that of the younger one. If the geometric mean of the ages of the two children is 4√ 3 and their harmonic mean is 6, then what is the father's age?
• The fifth term of a GP is 81 and first term is 16. Find the 4th term.?
• How many terms are there in the GP 5, 20, 80, 320, ..., 20480?
• A and B are two number whose AM is 25 and GM is 7. Which of the following may be a value of A?
• If the second term of an HP is 1/6 and the fourth terms is 1/14, then find the tenth term of the HP?
• If five times the fifth term of an AP is equal to seven times the seventh term of the AP, then what is the twelfth term?
• 2, 8, 18,?, 50, 72

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