The average of 5 odd numbers is 27. What is the product of the first and last numbers?

Challenger App

No.1 PSC Learning App

★

1M+ Downloads

Get App

5 ഒറ്റ സംഖ്യകളുടെ ശരാശരി 27 ആണ്. ആദ്യത്തേയും അവസാനത്തേയും സംഖ്യകളുടെ ഗുണനഫലമെന്താണ്?

A621

B667

C713

D730

Answer:

C. 713

Read Explanation:

[x + (x + 2) + (x + 4) + (x + 6) + (x + 8)]/5 = 27 x + (x + 2) + (x + 4) + (x + 6) + (x + 8) = 135 5x + 20 = 135 5x = 115 x = 23 ഗുണനഫലം = 23 ⨯ [23 + 8] = 23 ⨯ 31 = 713

Read more in App

Related Questions:

The total marks obtained by a student in Physics, Chemistry and mathematics together is 150 more than the marks obtained by him in Chemistry. What are the average marks obtained by him in Physics and Mathematics together?

Calculate the average of the cubes of first 5 natural numbers

Of the three numbers, the first number is two-thirds of the second number. The second number is one-fifth of the third number. The average of these three numbers is 35. Find the largest number?

The average of 25 numbers is 15 and the average of first five numbers is 35. What is the average of remaining numbers?

Average of 100 numbers is 44. The average of these numbers and four other new numbers is 50. The average of the four new numbers will be