math times tables from 0 100

Question: Ten different letters of an alphabet are given. Words with five letters are formed from these given letters. Find the number of words which have atleast one letter repeated. Answer: Total number of 5 letter words from given 10 letters = 10 5 (if every letter may be repeated a..

The fundamental principle of counting (F.P.C) states that if an operation can be performed in m different ways and if for each such choice, another operation can be performed in n different ways, then both operations, in succession can be performed in exactly mn different ways. The principle can ..

>If A, B and C are the matrices which can be multiplied then (a) Matrix multiplication is not commutative, i.e., AB BA (always) (b) Associative law holds good for matrix multiplication, i.e., (AB)C = A(BC) (c) Matrix multiplication is distributive with respect to addition A(B + C) = AB + AC or (A +..

1 , A 2 ,.....,A n are called the n arithmetic means between a and b. (vii) The sum of n A.M.s between given numbers a and b is equal to n times the A.M. between a and b. (viii) If a, b, c are in A.P., then for any k: (a) a+k, b+k, c+k are in A.P. (b) a-k, b-k, c-k a..

The table shows the number of times the accused males and females got punished by the jury during the last year in a district. Punished Not punished Males 120 180 Females 100 100 At α = 0.01, find the chi-square test value and examine whether ..

Find the values of a and b in the table. 5 × 10 1 5 × 10 50 5 × 10 0 5 × 1 5 5 × 10 - 1 5 × a b => 1.0, 5.0 or 0.1, 0.1 or 10.0, 50.0..

Which property is illustrated in the given expression? 0.6 × (0.7 × 10.0) = (0.6 × 0.7) × 10.0 => Zero property or Commutative property of multiplication or Identity property ..

What is the digit in the tens place in the number? (100 × 5) + (20 × 1) + (3 × 3) => 2 or 0 or 10 or 20..

What sampling technique is used by a committee of 100 students to assess any reaction to the introduction of a Pastoral Care into the school time table? => stratified or random or cluster or systematic..

Compare the numbers using appropriate symbol. 7 × 10,000 + 0 × 1,000 + 5 × 100 + 4 × 10 + 1 × 1 ___ 5 × 10,000 + 4 × 1,000 + 7 × 100 + 8 &..