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In a class of 50 students, 30 study Basic, 25 study Pascal and 10 study both How many study neither?

Xylotomy is study of wood. Dendrochronology is the study of

In a survey of xavirs's school of Bhubaneswar of 200 students, It was found that 120 study math, 90 study physics, 70 study shemistry, 40 study math and physics, 30 study physics and chemistry, 50 study chemistry and math and 20 study none of these subjects then the number of students study all the subjects is :

In a survey of 200 students of a school, it was found that 120 study Mathematics, 90 study Physics and 70 study Chemistry , 40 study Mathematics and Physics, 30 study Physics and Chemistry, 50 study Chemistry and Mathematics and 20 none of these subjects. Find the number of students who study all the three subjects.

In a class, 30% students study English, 15% study Hindi and 10% study both English and Hindi. One student is selected at random. Find the probability that (i) He studies English if it known that he Hindi (ii) He studies Hindi if it is known that he studies English

[A] : Study of internal structure is called Anatomy. [R] : It is useful for phylogenetic study.

dendrochronology is the study of

Stratigraphy is the study of

Histology is study of

Herpetology is study of