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
Find the wrong number in the given number series.
1, 3, 10, 21, 64, 129, 356, 777
Find the wrong no in the given number series.
11, 18, 32, 60, 112, 228
125, 600, 2400, 7200, 14400
256Â Â Â 768Â Â Â 96Â Â Â 288Â Â Â 35Â Â Â 108
97, 98, 107, 132, 181, 264
Find the wrong number in given number series.
2669, 2838, 2993, 3185, 3397, 3629
Find the wrong number in the given number series.
1, 8, 27, 65, 125, 2162, 6, 44, 462, 6930, 131670
3, 4, 9, 28, 116, 566, 3397
Find the wrong number in the given number series.
32, 61, 92, 129, 170, 211
