Question

1. The class - size of the class 10-30 is-
(a) 10 (6) 5
(c) 15 (d) 20
2. The range of the data 25, 18, 28, 22, 16, 6, 17, 18, is-
(a) 21 (6) 22 (c) 23 (d) 24
3. Two sides of a triangle are 8 cm. and 11cm. Perimeter of the triangle is 32 cm., then value of 's' is-
(a) 19cm. (b) 20cm. (c) 21.5cm. (d) 16cm.
4. In APQR, if LQ> LR then,
(a) QR > PR (b) PQ > PR (c) PQ < PR (d) QR< PR
5. In a triangle ABC, LA = x ,2B = 2x, 4c = 3x value of x is
(a)30° (b)35° (c) 40° (d) 50°​

Answer 1

Answer:

1) 20

Step-by-step explanation:

class size =upper limit -lower limit

=30-10=20