Practice and test work

Lessons 11–12 · 2 lessons · N. I. Taylaqov (general editor), A. B. Akhmedov, M. D. Pardayeva, A. A. Abdug‘aniyev, U. M. Mirsanov. Informatics and Information Technologies, Grade 10, 1st edition. “Extremum-Press”, Tashkent, 2017

Answers are for parents and teachers.

Find the price of a 90 000 so‘m product with 12% VAT added.

If B2 = 55, C2 = 62 and D2 = 71, write the formula that calculates their mean.

Find the value of y = 3x – 1 at x = 4.

A1 holds the text “Excel”. What does =REPT(A1,2) give?

List five things to check before handing in the test.