Question
In a class of 70 students and 25 teachers, each student
got gifts that were 20% of total number of students and each teacher got gifts that were 10% of total number of students. How many gifts were there in total?Solution
Gifts received by each student = 20% of total number of students i.e. => 20/100 × 70 = 14 Gifts received by each teacher = 10% of total number of students i.e. => 10/100 × 70 = 7 Total Gifts = 70 × 14 + 7 × 25 = 1155
3Â Â Â Â Â Â Â Â Â 6Â Â Â Â Â Â Â Â Â 18Â Â Â Â Â 149Â Â Â Â Â Â Â Â 602Â Â Â Â Â Â Â Â 15057
...1, 1, 3, 15, 105, 942
- Find the wrong number in the given number series.
8, 14, 24, 49, 59, 84 2, 4, 16, 48, 240, 1440, 10080
1001, 934, 863, 790, 711, 630, 539
Find the wrong number in the given number series.
1728, 121, 1000, 729, 512, 49
Find the wrong number in the given number series.
21, 31, 11, 41, 1, 61Find the wrong number in the given number series.
548, 532, 568, 510, 604, 460
9Â Â Â Â Â Â Â Â Â Â Â Â Â 17Â Â Â Â Â Â Â Â Â Â 53Â Â Â Â Â Â Â Â Â Â 103Â Â Â Â Â Â Â Â 310Â Â Â Â Â Â Â Â 619
...43, 42, 41, 39, 33, 10
