Amaging maths video

A new music video on the web received 2,78, 946 hits the first day and 3,17,823 hits the second day. How many his did the video receive in all during the two days?

Renu spends 3/7 of her pocket money on purchasing new math book and is left with Rs. 220. Find the cost of math book.

If in a certain school 20 students are taking math and 10 are taking history and 7 are taking both, how many students are taking either math or history?

If in a certain school 20 students are taking math and 10 are taking history and 7 are taking both, how many students are taking either math or history?

The pictograph shows different subject books which are kept in a library. Subject, Number of books, =100 books Hindi, Figure, English, Figure, History, Figure, Science, Figure, Maths, Figure, How many English books are there in the library? How many maths books are there? Which books are maximum in number? Which books are minimum in number?

Let p: Maths is intersting and q : Maths is easy, then p rArr (~p vv q) is equivalent to

For the path of a charged particle math the following.

Rita scored 20 marks more in Maths than the marks scored in English. Give an expression for: a. her marks in English if her marks in Maths are x. b. her marks in Maths if her marks in English are y.

Among the seniors at a small high school , 80 take math , 41 take spanish and 54 take physics .Ten seniors take math and spanish , 19 take math and physics , and 12 take physics and spanish . Seven seniors take all three .How many seniors take math take math but not spanish or physics ?