EXTRA QUESTIONS OF AP

PODAR INTERNATIONAL SCHOOL (CBSE)

MCQ

Std : X Subject: Mathematics

Topic : Arithmetic progression 

Q1 Select the correct option.
i. Fourth term of the A.P. √2, √8, √18,……. is
a. √22    b. √32
c. 6 d. 5

ii. An A. P. whose second term and common difference are 7 and - 4 respectively is
a. 3, - 4, - 11,… b. -11, - 4, 3 ….
c. 11, 7, 3…. d. 1, 3, 7 …..

iii. In an A. P. if d = - 3 and a6 = 4, then a is
a. 19 b. 9
c. 7 d. 21

iv. If an = √7 n + √5 represents the nth term of an A.P., then the common difference is
equal to
a. 1 b. 2√7
c. √5 d. √7

v Which term of the A. P. 21, 42, 63, 84,….. is 231?
a. 9 th b. 10 th
c. 11 th d. 12 th

vi If x + 2, x2 – 2, 3x ,…. is an A.P. then the 5th term will be
a. - 7 or 13 b. - 1 or 3
c. 13 or 15 d. - 5 or - 7

vii In an A.P. , if d = - 4, n = 7, an = 4, then a is
a. 6 b. 7
c. 20 d. 28

viii In an A. P. , if a = 3.5, an = 3.5, n = 201, then d is
a. 0 b. 3.5
c. 203.5 d. 204.5

ix The 19 th term of an A. P. whose first two terms are - 3 and 4 is
a. 16 b. 23
c. 126 d. 123

x The 11th term of the A. P. - 7, -7/2 , 0,7/2 , …..is
a. - 28 b. 28
c. - 35 d. 35

xi. The 4th term from the end of the A. P.: - 11, - 8, - 5,…., 49 is
a. 37 b. 40
c. 43 d. 58

xii. If the common difference of an A.P. is 5, then a18 – a13 is
a. 5 b. 20
c. 25 d. 30

xiii The two A.P's have the same common difference. The first term of one AP is - 1 and
that of the other is - 8. Then the difference between their 4th terms is
a. -1 b. - 8
c. 7 d. -9

xiv. The sum of first seven multiples of 5 is
a. 130 b. 140
c. 160 d. 150

xv If 7 times the 7th term of an AP is equal to 11 times its 11th term, then its 18th term
will be
a. 7 b. 11
c. 18 d. 0

xvi The famous Mathematician associated with finding the sum of first 100 natural
numbers is
a. Pythagoras b. Newton
c. Gauss d. Euclid

xvii In an AP , if a = - 5, l = 2 l and S = 200, then n is equal to
a. 50 b. 40
c. 32 d. 25

xviii The number of two digit numbers which are divisible by 3 is
a. 33 b. 31
c. 30 d. 29

xix In an AP , if a = 3 and S8 = 192, then d is
a. 8 b. 7
c. 6 d. 4

xx If the 2nd term of an AP is 13 and the 5th term is 25, then its 7th term is
a. 30 b. 33
c. 37 d. 38
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