Question
In a class of 50 students and 20 teachers, each student
got gifts that were 24% of total number of students and each teacher got gifts that were 16% of total number of students. How many gifts were there in total?Solution
Gifts received by each student = 24% of total number of students i.e. => 24/100 × 50 = 12 Gifts received by each teacher = 16% of total number of students i.e. => 16/100 × 50 = 8 Total Gifts = 50 × 12 + 8 × 20 = 760
169, 224, 293, 385, 497, 629
Find the wrong number in the given number series.
20, 33, 50, 69, 93, 121
25Â Â Â 26Â Â Â Â 28Â Â Â Â 32Â Â Â Â 42Â Â Â Â 56
Find the wrong number in the given number series.
8, 12, 23, 40, 66, 103
8137, 5405, 3669, 2701, 2201, 1997
Find the wrong number in the given number series.
78, 66, 51, 39, 20, 12
2824Â Â Â Â 2314Â Â Â Â Â 1973Â Â Â Â 1759Â Â Â Â 1634Â Â Â Â 1574
In each of the following number series, one term is wrong. Find the wrong term.
3, 7, 13, 21, 31, 42, 57
Find the wrong term in the given series below.
2847, 2954, 2799, 3088, 2727, 3256
Find the wrong number in the given number series.
2, 5, 10, 17, 26, 38, 50