AP 8th Class Maths Bits Chapter 15 Playing with Numbers with Answers

Practice the AP 8th Class Maths Bits with Answers Chapter 15 Playing with Numbers on a regular basis so that you can attempt exams with utmost confidence.

AP State Syllabus 8th Class Maths Bits 15th Lesson Playing with Numbers with Answers

Choose the correct answer.

Question 1.
Which of the following is divisible by 2?
A) 41
B) 449
C) 573
D) 8096
Answer:
D) 8096

Question 2.
Which of the following is divisible by 3?
A) 76
B) 123
C) 457
D) 9082
Answer:
B) 123

Question 3.
Which of the following is divisible by 5?
A) 11
B) 1101
C) 1001
D) 1100
Answer:
D) 1100

Question 4.
Which of the following is divisible by ‘7’?
A) 4277
B) 3513
C) 862
D) 4675
Answer:
A) 4277

Question 5.
Which of the following is divisible by ’11’?
A) 12325
B) 56478
C) 13431
D) 122
Answer:
C) 13431

Question 6.
Every palindrome number is divisible by
A) 13
B) 17
C) 19
D) 11
Answer:
D) 11

Question 7.
Which of the following is divisible by ‘9’?
A) 1134
B) 1235
C) 1236
D) 1237
Answer:
A) 1134

Question 8.
876123 is divisible by
A) 999
B) 877
C) 109
D) Both A & B
Answer:
D) Both A & B

Question 9.
The sum of the numbers which are divisible by 5 from 1 to 50 is
A) 285
B) 275
C) 295
D) 265
Answer:
B) 275

Question 10.
If 7A – 16 = A9 then A =
A) 3
B) 4
C) 5
D) 7
Answer:
C) 5

Question 11.
If 73K ÷ 8 = 9L then K + L =
A) 2
B) 4
C) 6
D) 8
Answer:
D) 8

Question 12.
AP 8th Class Maths Bits Chapter 15 Playing with Numbers with Answers 1 then H = ?
A) 0
B) 1
C) 2
D) 3
Answrer:
A) 0

Question 13.
Which of the following divides (n³ – n)?
A) 1
B) 2
C) 3
D) 5
Answer:
C) 3

Question 14.
If a number is divisible by ‘5’ then its units digit be ……………….
A) 0
B) 5
C) A & B
D) None
Answer:
C) A & B

Question 15.
(a³ – b³) ÷ (a – b) = ………………
A) a² + ab + b²
B) a – ab + b²
C) a² – ab – b²
D) a – b²
Answer:
A) a² + ab + b²

Question 16.
Sum of first ‘n’ natural numbers is ………………..
A) \(\frac{n+3}{2}\)
B) \(\frac{\mathrm{n}}{2}\)
C) \(\frac{\mathrm{n}-1}{2}\)
D) \(\frac{n(n+1)}{2}\)
Answer:
D) \(\frac{n(n+1)}{2}\)

Question 17.
If a number 24P is divided by 3 the remainder is 1 and when divided by 5 the remainder is 2 then the value of P is …………………..
A) 2
B) 7
C) 10
D) 9
Answer:
B) 7

Question 18.
If 50B is divisible by 5 then B = …………………
A) 0 or 5
B) 0 or 9
C) 1 or 6
D) 3 or 4
Answer:
A) 0 or 5

Question 19.
The largest number of two digits which is divisible by 2, 5, 10 is ………………….
A) 70
B) 80
C) 90
D) 60
Answer:
C) 90

Question 20.
1, 2, 3, 4, 6, 8, 12, 24 are the multiples of ……………….
A) 24
B) 42
C) 13
D) 18
Answer:
A) 24

Question 21.
No. of rectangles in the figure are ………………
A) 9
B) 10
C) 8
D) 11
Answer:
B) 10

Question 22.
2² + 2³ + 2⁴ = ……………….
A) 28
B) 13
C) 10
D) 16
Answer:
A) 28

Question 23.
32² = ……………..
A) 1004
B) 3010
C) 1204
D) 1024
Answer:
D) 1024

Question 24.
The sum of all numbers that are divisible by 3 from 11 to 1000 is ………………
A) 766155
B) 766118
C) 166815
D) 766815
Answer:
C) 166815

Question 25.
AP 8th Class Maths Bits Chapter 15 Playing with Numbers with Answers 3 In this A = ……………..
A) 7
B) 6
C)10
D) 9
Answer:
D) 9

Question 26.
AP 8th Class Maths Bits Chapter 15 Playing with Numbers with Answers 4 In this P = ………………..
A) 3
B) 14
C) 9
D) 4
Answer:
A) 3

Question 27.
The number divisible by 2,5 and 10 is ………………
A) 16
B) 40
C) 19
D) 12
Answer:
B) 40

Question 28.
\(\frac{a^{5}+b^{5}}{a-b}\) = …………………
A) a⁴ – b
B) a – b⁴
C) a – b²
D) None
Answer:
D) None

Question 29.
The general form of a four digit number p q r s is ………………..
A) 1000a + 100p + r + 10s
B) 100p + 10q + r + s
C) 1000a + p + r
D) 1000p + 100q + 10r + s
Answer:
D) 1000p + 100q + 10r + s

Question 30.
a b c is a 3 digited number then abc – a – b – c is divisible by ……………….
A) 13
B) 11
C) 9
D) 10
Answer:
C) 9

Question 31.
Which of the following is divisible by 99?
A) 114345
B) 3572406
C) 913462
D) 135792
Answer:
A) 114345

Question 32.
5A × A = 399 then the value of A = ………………
A) 3
B) 7
C) 4
D) 6
Answer:
B) 7

Question 33.
If the sum of the digits of a number is divisible by 3 then it is divisible by ……………..
A) 7
B) 5
C) 4
D) 3
Answer:
D) 3

Question 34.
2x ÷ 0 ………………
A) 0
B) x
C) 2
D) not defined
Answer:
D) not defined

Question 35.
abc is a 3 digited number then abc + bca + cab is not divisible by …………….
A) a + b + c
B) 3
C) 37
D) 10
Answer:
C) 37

Question 36.
AP 8th Class Maths Bits Chapter 15 Playing with Numbers with Answers 5 In this A = …………………
A) 6
B) 5
C) 1
D) 3
Answer:
B) 5

Question 37.
In the above problem B = ……………..
A) 7
B) 6
C) 8
D) 1
Answer:
D) 1

Question 38.
AP 8th Class Maths Bits Chapter 15 Playing with Numbers with Answers 6 In this A = ………………
A) 7
B) 6
C) 4
D) 3
Answer:
A) 7

Question 39.
In the above problem B = ……………..
A) 5
B) 9
C) 6
D) 4
Answer:
D) 4

Question 40.
Which of the following is divisible by 9?
A) 108
B) 111
C) 112
D) 110
Answer:
A) 108

Question 41.
AP 8th Class Maths Bits Chapter 15 Playing with Numbers with Answers 7 In this A = ……………
A) 2
B) 4
C) 6
D) 3
Answer:
A) 2

Question 42.
In the above problem D = ……………….
A) 8
B) 6
C) 9
D) 1
Answer:
C) 9

Question 43.
One of the multiples of 9 is ………………
A) 87
B) 33
C) 45
D) 50
Answer:
C) 45

Question 44.
Σn = ……………
A) \(\frac{n(n+1)}{2}\)
B) \(\frac{n(n-1)}{2}\)
C) \(\frac{n}{2}\)
D) \(\frac{n+1}{2}\)
Answer:
A) \(\frac{n(n+1)}{2}\)

Question 45.
1 + 1 + …………… + 10 times = …………..
A) 1
B) 9
C) 12
D) 10
Answer:
D) 10

Question 46.
1 – 1 + 1 – 1 + ……………… 9 times = …………..
A) -1
B) 2
C) 1
D) 9
Answer:
C) 1

Question 47.
1² + 2² + 3² + ……………. n² = ………….
A) \(\frac{n^{2}(n+1)^{2}(2 n+1)}{6}\)
B) \(\frac{n(n+1)(2 n+1)}{6}\)
C) \(\frac{n(n+1)}{4}\)
D) None
Answer:
B) \(\frac{n(n+1)(2 n+1)}{6}\)

Question 48.
Which of the following is divisible by 11?
A) 151
B) 1331
C) 1211
D) 1334
Answer:
B) 1331

Question 49.
General form of an even number ……………….
A) 1 + 2n
B) \(\frac{\mathrm{n}}{2}\)
C) 2n
D) \(\frac{2}{n}\)
Answer:
C) 2n

Question 50.
Σn³ = ……………..
A) \(\frac{n^{2}(n+1)^{2}}{4}\)
B) \(\frac{n(n+1)}{2}\)
C) \(\frac{n(n-1)}{4}\)
D) \(\frac{n(n+3)}{4}\)
Answer:
A) \(\frac{n^{2}(n+1)^{2}}{4}\)