Given that HCF (306, 657) = 9, find LCM (360, 657).

The quadratic equation has _______ roots.

OR

The pair of linear equations 2x + 4y = 3 and 12y + 6x = 6 has/have _______ solutions/s.

If ∆ABC ∆PQR with is equal to _____.

100m RACE A stopwatch was used to find the time that it took a group of students to run 100 m.

a. Estimate the mean time taken by a student to finish the race.

(i) 54

(ii) 63

(iii) 43

(iv) 50

b. What will be the upper limit of the modal class?

(i) 20

(ii) 40

(iii) 60

(iv) 80

c. The construction of cumulative frequency table is useful in determining the

(i) Mean

(ii) Median

(iii) Mode

(iv) All of the above

d. The sum of lower limits of median class and modal class is

(i) 60

(ii) 100

(iii) 80

(iv) 140

e. How many students finished the race within 1 minute?

(i) 18

(ii) 37

(iii) 31

(iv) 8

In a room, 4 friends are seated at the points A, B, C and D as shown in figure. Reeta and Meeta walk into the room and after observing for a few minutes Reeta asks Meeta.

(a) What is the position of A?

(i) (4, 3)

(ii) (3, 3)

(iii) (3, 4)

(iv) None of these

(b) What is the middle position of B and C?

(i)

(ii)

(iii)

(iv) None of these

(c) What is the position of D?

(i) (6, 0)

(ii) (0, 6)

(iii) (6, 1)

(iv) (1, 6)

(d) What is the distance between A and B?

(i)

(ii) 2

(iii)

(iv)

(e) What is the equation of line CD?

(i) x - y - 5 = 0

(ii) x + y - 5 = 0

(iii) x + y + 5 = 0

(iv) x - y + 5 = 0