Std 8 science ch 16 prakash / standard 8 science ch 16 swadhyay / dhoran 8 science swadhyay solution

In a hostel of 100 students capacity 42 are science graduate 34 are law graduate and 58 are commerce graduate. 8 students are science and law graduate,. 13 students are law and commerce graduate 18 students are commerce and science graduate. How many student are only science graduate?

Out of 100 students, 15 passed in English, 12 passed in Mathmatics, 8 in Science, 6 in English and Mathematics, 7 in Mathematics and Science , 4 in English and Science, 4 in all the three. Find how many passed (i) in English and Mathematics but not in Science. (ii) in Mathematics and Science but not in English. (iii) in Mathematics only. (iv) in more than one subject only.

Out of 100 students who appeared for the SSC examination from a school 15 students in English ; 12 students in Mathematics; 8 students in Sience 7 studens in Mathematics and Science; 4 students in English and Science 6 students in English and Mathematics; 4 students in all the three subjects could get First calss marks. How many of them have got First class marks.(ii) only in Science (i) only in Mathmatics

Class 10 Science | Chapter 16 Management of Natural Resources

Comprehension: In a class of 25 students of Mathematics and Computer Science, 12 students have taken Mathematics. Out of this, 8 have taken Mathematics but not Computer Science. What is the number of students who have taken Computer Science but not Mathematics?

There are 8 math's books and 6 science books in a almirah. In how many wayscan 4 books of each subject be selected?

Comprehension: In a class of 25 students of Mathematics and Computer Science, 12 students have taken Mathematics. Out of this, 8 have taken Mathematics but not Computer Science. What is the number of students who have taken both Mathematics and Computer Science?

Find the variance and standard deviation of the scores 7 , 8 , 9 , 10 and 16.

A square is inscribed in a circle whose radius is 4cm. The area of the portion between the circle and the square is: (8 pi-16) (b) (8 pi-32)(c)(16 pi-16) (d) (16 pi-32)