Question

St Mary's Higher Secondary School
Half Yearly Examination – 2020
MATHS
Std: Vi
Marks : 100
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10 1=10
1. The sum of three angles of a triangle is -----
2. In an isosceles triangle ------ angles are equal.
3. A triangle in which none of the sides equal is is called a ---
4. Every triangle has at least ------ acute angles.
5. 3753 is divisible by 9 and hence divisible by -----
6. The number of prime numbers between 11 and 60 is ------
7. The HCF of 45 and 75 is
8. If the LCM of 3 and 9 is 9 then their HCF is
9. The sum of distinct prime factors of 30 is -----
10.The numbers 29 and
are twin primes
Il write true or false
10x1=10​

Answer 1

Answer:

1. 180°

2. two

3. scalene triangle

4. one

5. three

6. two

7. 15

8. 3

9.

10.