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Q1. Choose the correct options:
1. Which of the following numbers is odd?
(a)18
(b) 177
(c) 390
(d) 462
2. In which of the following pairs, the first number is a factor of the second number?
(a) 13, 65
(b) 27,64
(c) 8,17
3. Which of the following are the Co prime numbers?
(d) 20,6453.
(a) 12,30
(b) 8, 21
4. The HCF of 96, 240and 336 is
(a) 24
(b) 48
(c) 54, 144
(d) 160,192
(c) 96
(d) 32
5. Which of the following is divisible by 4?
(a) 918
(b) 57312
(c) 72138
6. Which of the following is not divisible by 6?
(a) 65472
(b) 215370
(c) 29046.
(d) 615021
(d) 54623
7. Which of the following is the prime factorisation of 360?
(a) 3x2x2x5x3×2
(c) 2x2x5x18
(b) 2x2x3x3x5
(d) 10x36
8. What is the G.C.D. (greatest common divisor) of 924,1463 and 1925?
(a) 65
(b)77
(c) 8
(d) 93
9. Which of the following number
(a) 74, 36, 190 (b) 18,24, 32
have 36 as their HCF?
(c) 84, 92, 210 (d) 72, 108, 180
10. Which is the greatest number that divides 228, 305 and 382, leaving remainders
3,5 and 7 respectively?
(a) 375
(b) 15.
(c) 75
(d) 150
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Answer :

cartoonzjourney

Answer:

PLEASE MAKE ME BRAINLIST

Explanation:

Here are the correct options:

1. (b) 177

2. (a) 13, 65 (since 13 is a factor of 65)

3. (b) 8, 21 (since 8 and 21 have no common factors other than 1)

4. (a) 24

5. (b) 57312

6. (d) 615021 (since it is not divisible by 2, and therefore not by 6)

7. (b) 2x2x3x3x5

8. (c) 1 (since the greatest common divisor of 924, 1463, and 1925 is 1)

9. (d) 72, 108, 180 (since 36 is the highest common factor of these numbers)

10. (b) 15

Let me know if you'd like me to explain the reasoning behind each answer!

1. option b I. e. 177is the odd one

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