There are 102 teachers in a school of 3300 students. Find the ratio of the number of teachers to the number of students.

Total number of students in school = 4320  Number of girls = 2300  Therefore, number of boys = 4320 – 2300 = 2020  (a) Ratio of girls to total number of students =...

The correct answer is (i) 11/70  (ii) 1/10

The correct answer is (A) b/b+g

The correct answer is (a) 4 : 1 (b) 1 : 3

correct answer is 2/5

the number of students who play neither Answers is 25

Correct answer is 560

Sushma sold her watch for Rs 3320 at a gain of  Rs 320. For earning a gain of 10% she should have sold the watch for Rs 3300. True

AdmissionNo should be set as the primary key because admission numbers are unique for each and every student of the school, which is not possible in the case with RollNo...