DIVISIBILITY TEST OF 10| basic mathematics for beginners

dry test(basic radicals)

75 Students secured forst division marks either in English or in Mathematics or in both . If 50 of them secured first division in Mathematics and 10 in both English and Mathematics , then how many got first division in English ?

Marks scored by 100 students in a 25 marks unit test of Mathematics is given below. Their median is Marks 5-10 10-15 15-20 20-25 Students 10,18,42,23

Basics of Mathematical Reasoning | Truth Tables and Laws

Prove the following by using the principle of mathematical induction for all n in Nvdots10^(2n-1)+1 is divisible by 11.