Question
Raman and his sister Shikha study in the same class.
Raman's rank in an examination is 11th from the bottom and Shikha's rank in the same examination is 1st from the top If there are 11 students who ranked between Raman and Shikha, how many students are there in the class?Solution
Raman's rank is 11th from the bottom, and Shikha's rank is 1st from the top. This means there are 11 students ranked between Raman and Shikha. So, the total number of students in the class = (Rank of Raman) + (Number of students between Raman and Shikha) + (Rank of Shikha) = 11 + 11 + 1 = 23 Therefore, the correct answer is option 1. 23.
The ratio of the incomes of Vineet and Vidya is 12:7 respectively. Vineet saves 25% of his income while Vidya saves 20% of his income. The sum of their ...
The ratio of the two numbers is 4:11. 120% of the first number is equal to the 70% of the second number. Find the sum of both the numbers.
Marks scored by A and B in a test are in the ratio 12:5 respectively. If B had scored 5 more marks, then marks scored by A would be 20% more than that o...
The number of students in a school is 3247. If the ratio between boys to girls is (x+3) : (x+4), then find the value of x.
In an office, the ratio of the number of males to number of females is 11:8. If 3 males joined the class and 6 females left the class, then the ratio of...
The ages of A, B and C are in the ratio of 4:3:6 respectively. If the sum of their ages is 65 years, then find the age of B.
Rs.12000 was divided among A, B and C in the ratio 3:4:5. B kept Rs.1500 for himself, gave Rs.500 to his mother and divided the remaining money among hi...
Two years ago the ratio of annual salary of three friends P, Q and R is 4 : 3 : 5. Every year since then the salary of P, Q and R increases by 10%, 12% ...
Marks scored by A and B in a test are in the ratio 15:7 respectively. If B had scored 10 more marks, then marks scored by A would be 25% more than that ...
What is the fourth proportional to 10¹⁵, 2⁶ and 5⁶?