A positive integer is selected at random and is divided by 7. What is the probability-that the remainder is not 1?
1
C.
Which of the following is not a 'proposition ?
Sum of 2 and 5 is 7
An angle consists' of two rays and one vertex
Is 7 the sum of 2 and 5 ?
Sum of 2 and 5 is 6
A box contains a dozen bulbs in which few are defective and remaining are good. Which of the following cannot be a ratio of defective bulbs to good bulbs ?
1 : 1
1 : 2
1 : 3
1 : 4
There are three sections A, B and C in Class X with 25, 40 and 35 students respectively. The average marks obtained "by sections A, B and C are 70%, 65% and 50% respectively. The average marks of entire Class X is
60%
61%
61.66%
65%
Which evaluation involves gathering information about the students errors, reasons for those errors, depth of conceptual understanding, effective means of intervention ?
Diagnostic evaluation
Formative evaluation
Prognostic evaluation
Summative evaluation
If the sum of five successive integers are S, then the value of largest integer in terms of S will be
In a sports competition, 5 players are participating. It is compulsory for each player to play match with every other player. How many matches will be played?
10
12
16
20