Average of MULTIPLES of 7 in 5 Seconds #ssc

The average of five numbers is 34.4 . The average of the first and the second number is 46.5 . The average of the fourth and the fifth number is 18. What is the third number ?

The average of five numbers is 371.8. The average of the first and second numbers is 256.5 and the average of the fourth and fifth numbers is 508. Which of the following is the third number?

What will be the average of first 9 multiples of 5? Solve According to the formula,

A car moving with a speed of 25 ms^(-1) takes a U-turn in 5 seconds, without changing its speed. The average acceleration during these 5 seconds is

The average of first 5 multiples of 5 is