Square of no. Ends with 5... #maths trick

Is it possible for the square of a number to end with 5 zeroes ? Give reason.

If the square of a number ends with 10 zeroes, how many zeroes will the number have ?

Which of the following relations are functions ? y is the Maths teacher of x where x represents any pupll taking up Maths in a school.

A hollow square-shaped tube open at both ends is made of iron. The internal square is of 5cm side and the length of the tube is 8cm. There are 192cm^(3) of iron in this tube. Find its thickness.

A hollow square-shaped tube open at both ends is made of iron. The internal square is of 5 cm side and the length of the tube is 8 cm. There are 192 cm^(3) of iron in this tube. Find its thickness

Q. If 20% of the students with SAT Math scores from 610 to 700 received collage scholarships, how many students with SAT Math scores from 610 to 700 received collage scholarships?

Which of the following relations are functions ? y is a Maths pupil of x, where x represents any Maths teacher in a school.

There are 12 teachers in a school who can teach Maths or Physics. Out of these, 6 teach Maths and 4 teach Physics and Maths both. Find how many teachers teach Physics ?

The percentage of itegers from 1 through 100 whose square end with the digit 1 is x% , and the percentage of integers from 1 through 200 whose squares end with the digit 1 is y%. Which one of the following is true?

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.