Question
The average presence of students of a class in a College
on Monday, Tuesday and Wednesday is 32 and on the Wednesday, Thursday, Friday and Saturday is 30. If the average number of students on all the six days is 26 then the number of students who attended the class on Wednesday is?Solution
ATQ, we can say that Sum of the presence of students on Monday, Tuesday and Wednesday = 3 × 32 = 96 Sum of the presence of students on Wednesday, Thursday, Friday and Saturday = 4 × 30 = 120 Sum of the presence of students of all six days is = 6 × 26 = 156 ∴ Presence of students on Wednesday = (96 + 120) – 156 = 60
- Ravi divided 312 candies among his cousins Ayan, Rishi, and Mehul in the ratio 3:6:7 respectively. What is the difference between the candies received by M...
Mohini's Biology test had 250 questions i.e., 20 Macromolecules, 60 Homeostasis and 70 Immunology questions. Although she answered 70% of the Macromolec...
- Kiran shared 288 toffees among his three friends Sonu, Monu and Tanu in the ratio 2:3:7 respectively. Find how many more toffees Tanu received than Sonu.
- A box has ₹2, ₹1 and 25 paise coins in the ratio 3:5:7. If the total value is ₹446.25, how many 25-paise coins are there?
If ₹19,500 is divided among ‘A’, ‘B’, ‘C’, and ‘D’ in the ratio 6:8:5:7, then find the share of ‘C’.
...- The number of red and blue marbles in a box were in the ratio 6:11. There were 100 more blue marbles than red marbles. Later, 15 red and 25 blue marbles we...
- Manisha distributed 240 pencils among her three classmates—Nikhil, Arjun, and Sneha—in the ratio 2:3:5 respectively. Find the difference between the nu...
 If a student distributes sweets in the ratio of 1/2:1/3:1/4:1/5:1/6 among five of his friends A, B, C, D and E, then the total number (minimum) of swe...
Relevant for Exams:
