Question
Find the wrong number in the given number series.
32, 48, 72, 108, 162, 245Solution
ATQ, 32 × 1.5 = 48 48 × 1.5 = 72 72 × 1.5 = 108 108 × 1.5 = 162 162 × 1.5 = 243 Therefore, 243 should come in place of 245.
2040, 600, 240, 150, ?, 121.875
Average of 8 numbers is 80. If average of first four and last two numbers is 90 and 60, respectively then find the fifth number given that ratio of fift...
In a cricket match the captain of one of a team scored 23 runs more than the average runs scored by the remaining 9 batsmen of that team who batted in t...
A worker completes 6 tasks at an average rate of 5 tasks per day. If he needs to complete an average of 8 tasks per day over 12 days, what should be his...
25 students go for a picnic. 10 of them spent Rs. 64 each on their food and rest spent Rs.4 more than the average expenditure of all 25. What was the to...
60% of 3840 +? + 30% of 4380 = 40% of 8340 + 10% of 3480
In an examination, the average marks obtained by the students is 75. After correcting the quantitative mistakes, the average of 100 students is reduced...
- The mean of 15 observations is 124 and the median of the observations is 130. Find the mode of the observations.
A number is such that when it is multiplied by 9, it gives another number which is as much above from 420 as the original number (itself) is below 420. ...
Average of 20 numbers is 90. Average of first 8 numbers is 125 while average of last nine numbers is 40. If ninth number is 25% less than the tenth numb...
Relevant for Exams:
