Question

DINET MANIK SYIEM MEMORIAL HIGHER SECONDARY SCHOOL
HALF YEARLY EXAMINATION, 2020
CLASS-IX
MATHEMATICS
SUBJECT TEACHER: SIR B. MUKHIM
PHONE NO : 8974376682
SECTION A (Each question carries 1 mark each)
1. Find three rational numbers between 1 and 2
2 Express 73 as decimals.
3 Add: 2 and 32
4 Simplify: 181-2
5. Determine the degree of 5x-2
6 Find the zero of px - 3x-9.
7. The complement of 42.50.
8 In a right angled triangle ABC right angled at the value of ZA-600, then fin
value of angle B
9. Define perimeter of triangle.
10 Sum of the pairs of consecutive interior angle is
SECTION B (Each question carries 2 mark each)
11. Simplify: (5+3)(7-2)
12 Find the value ofx: 3x=81.​

Answer 1

1) 1.1, 1.2,1.3, 1.4, 1.5, 1.6, 1.7,1.8,1.9,1.11, 1.22, 1.33 etc.

2)0.73.

3)34.

4)

9)A perimeter of a shape is the length of its boundary or the total length around the shape.