Question
Average of 6 positive integers is calculated as 25. It
was later found that while calculating the average, someone mistakenly entered 18 instead of 30. Find the correct average.Solution
Incorrect sum of six numbers = 25 × 6 = 150 Correct sum = 150 − 18 + 30 = 162 So, correct average = 162 ÷ 6 = 27
Which of the following combinations of day-friend-company-colour is correct?
If R lives above P and below U then who lives immediately above X?
Seven boxes F, G, H, I, J, K and L, are placed one above the other. The bottommost box is numbered as 1 and the topmost box is numbered as 7. Both G and...
Who among the following attends music class on Wednesday?
A likes which of the following game?Â
Seven persons R, S, T, U, V, W and X has an exam on a different day of a week starting from Monday and ending on Sunday of the same week. S has exam on ...
Who among the following live immediate below C?
Who belongs to Assam?
If Q is related to Green and N is related to Blue. Following the similar pattern, P is related to?
How many persons live between Amisha’s floor and Esha’s floor?
Relevant for Exams:
