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## Thursday, 28 January 2021

### CBSE Class 10 Maths - MCQ and Online Tests - Unit 5 - Arithmetic Progressions

#### CBSE Class 10 Maths – MCQ and Online Tests – Unit 5 – Arithmetic Progressions

Every year CBSE conducts board exams for 10th standard. These exams are very competitive to all the students. So our website provides online tests for all the 10th subjects. These tests are also very effective and useful for those who preparing for competitive exams like NEET, JEE, CA etc. It can boost their preparation level and confidence level by attempting these chapter wise online tests.

These online tests are based on latest CBSE Class 10 syllabus. While attempting these our students can identify the weak lessons and continuously practice those lessons for attaining high marks. It also helps to revise the NCERT textbooks thoroughly.

#### CBSE Class 10 Maths – MCQ and Online Tests – Unit 2 – Polynomials

Question 1.
The sum of the first 15 multiples of 8 is
(a) 920
(b) 860
(c) 900
(d) 960

Question 2.
Next term of the AP √2, 3√2, 5√2, ……. is
(a) 2√7
(6) 6√2
(c) 9√2
(d) 7√2

Question 3.
First four terms of the sequence an = 2n + 3 are
(a) 3, 5, 7, 9
(b) 5, 7, 9, 11
(c) 5, 8, 11, 14
(d) 1, 3, 5, 7

Answer: (b) 5, 7, 9, 11

Question 4.
20th term of the AP -5, -3, -1, 1, is
(a) 33
(b) 30
(c) 20
(d) 25

Question 5.
If nth term of an AP is 7 – 4n, then its common difference is
(a) 4
(b) -4
(c) 3
(d) 11

Question 6.
If the sum of first n terms of an AP is An + Bn² where A and B are constants. The common difference of AP will be
(a) A + B
(b) A – B
(c) 2A
(d) 2B

Question 7.
The 10th term of the sequence √3, $$\sqrt{12}$$, $$\sqrt{27}$$; …… is
(a) $$\sqrt{243}$$
(b) $$\sqrt{300}$$
(c) $$\sqrt{363}$$
(d) 432

Answer: (b) $$\sqrt{300}$$

Question 8.
Sum of n terms of the series
√2 + √8 + $$\sqrt{18}$$ + $$\sqrt{32}$$ + …… is
(a) $$\frac{n(n+2)}{√2}$$
(b) √2 n(n+1)
(c) $$\frac{n(n+1)}{√2}$$
(d) 1

Answer: (c) $$\frac{n(n+1)}{√2}$$

Question 9.
If p – 1, p + 3, 3p – 1 are in AP, then p is equal to
(a) 4
(b) -4
(c) 2
(d) -2

Question 10.
The sum of the first 2n terms of the AP: 2, 5, 8, …. is equal to sum of the first n terms of the AP: 57, 59, 61, … then n is equal to.
(a) 10
(b) 11
(c) 12
(d) 13

Question 11.
If the sum of the first m terms of an AP is n and the sum of its n terms is m, then the sum of its (m + n) terms will be
(a) m + n
(b) -(m + n)
(c) m – n
(d) 0

Question 12.
If nth term of an AP is given by fn = 3n + 4, find the common difference of the AP
(a) 3
(b) 2
(c) 4
(d) 7

Question 13.
The sum of first ten natural number is
(a) 55
(b)155
(c) 65
(d) 110

Question 14.
Find the 15th term of an AP -2, -5, -8, ….
(a) 70
(b) -44
(c) 72
(d) 64

Question 15.
The 6th term from the end of the AP: 5, 2, -1, -4, …., -31, is
(a) -25
(b) -22
(c) -19
(d) -16

Question 16.
Which term of the AP: 27, 24, 21, ……… is zero?
(a) 8th
(b) 10th
(c) 9th
(d) 11th

Question 17.
The sum of first n terms of the series a, 3a, 5a, …….. is
(a) na
(b) (2n – 1) a
(c) n²a
(d) n²a²

Question 18.
37th term of the AP: √x, 3√x, 5√x, …….. is
(a) 37 √x
(b) 39 √x
(c) 73 √x
(d) 75 √x

Question 19.
Which term of the AP: 92, 88, 84, 80 … is 0?
(a) 23
(b) 32
(c) 22
(d) 24

Question 20.
The common difference of the AP … -4, -2, 0, 2, …. is
(a) 2
(b) -2
(c) $$\frac{1}{2}$$
(d) –$$\frac{1}{2}$$

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