Question

1.Find the value of the following expression by suitable rearrangement.685 + 274 + 315 + 226


2.A hexagon has ______ diagonals.


3.Which of the following is not a prime number?

(a) 79

(b) 87

(c) 67

4.Write two equivalent fractions of 37.16.Solve: (4)+(−34)−(−16)

5.Which statement is not correct?

i. The commutative property is true for multiplication

ii. The commutative property is true for addition

iii. The commutative property is true for subtraction

iv. The commutative property is not true for division

6.Solve: $\frac{3\\}{4}$ - $\frac{5}{16}$

7.Number of multiples of a given number is___________

8.1 is neither a_____________________________ nor a _________________________

9.Use the properties of whole numbers to calculate the value of each of the following expression.

(a)383 × 67 + 33 × 383

(b) 125 × 236 × 8

10.Find HCF of 216 and 1176 using common division method.

11.Find the product using suitable properties 1005 ×168

Answer 1

Answer:

ans 1- 685 + 274 + 315 + 226

(274+226)+(685+315)

500+1000

1500

ans 2d there are 9 diagonals in hexogan

ans 3- 79 is not prime no

ans4- 4+(-34)-(-16)

4+(-34)+16

20+(-34)

-14

ans5- do it by yourself

ans 6- I don't know the answer

ans-7 don't w

ans 8- prime nor composite number

ans9-a- (a)383 × 67 + 33 × 383

383×(67+33)

383×100

38300

(b)125 × 236 × 8

125×8×263

1000×263

263000

ans11- 1005 ×168

168×(1000+5)

168×1000+168×5

168000+840

168840

Step-by-step explanation:

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