Sequences and Series Test 3

Result

Sequences and Series Test 3

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Weekly Quiz Competition

Question 1
1 / -0

3F, 6G, 11 I, 18 L, .....

A
21O

B
25N

C
27P

D
27Q

E
29P

Solution

+1, +2, +3, +4, in letters; +3, +5, +7, +9 in numbers
Question 2
1 / -0

CE, GI, KM, OQ, ....

A
TW

B
TV

C
SU

D
RT

E
UW

Solution

The letters of each term are alternate Also the last letter of each term and the first letter of the next term are alternate
Question 3
1 / -0

abb - baa - a - bab - ab

A
abba

B
abab

C
ccac

D
aabb

Solution

The series is abba/baab/abba/baab
Thus the pattern abba baab is repeated
Question 4
1 / -0

There are $$5$$ roads leading to a town from a village. The number of different ways in which a villager can go to the town and return back, is

A
$$25$$

B
$$20$$

C
$$10$$

D
$$5$$

Solution

Permutation : - A Permutation is an arrangement of all or part of a set of objects, with regard to the order of the arrangement.

For example, Suppose we have a set of three letters :A, B and C..... each possible arrangement would be an example of permutation.

Here in this question, there are $$5$$roads leading to a town from a village.

He can go by $$5$$ ways and can return by $$4$$ ways

So the number of different ways in which a villager can go to the town and return back is $$5 \times 4 = 20$$
Question 5
1 / -0

C 4X, F9U, I 16 R

A
K 25 P

B
L 25 P

C
L 25 O

D
L 27 P

E
none of these

Solution

+3; $$\displaystyle 2^{2}$$, $$\displaystyle 3^{2}$$, $$\displaystyle 4^{2}$$, $$\displaystyle 5^{2}$$,-3
Question 6
1 / -0

JE, LH, OL, SQ, ....

A
WV

B
WX

C
VW

D
VX

E
XW

Solution

First letter: +2, +3, +4, +5,.... Second letter: +3, +4, +5, +6, ....
Question 7
1 / -0

BDF, CFI, DHL, ....

A
CJM

B
EIM

C
EJO

D
EMI

Solution

First, 2nd, 3rd letters are moving +1, +2, +3 steps
Question 8
1 / -0

abca - bcaab - ca - bbc -

A
ccaa

B
bbaa

C
abac

D
abba

Solution

The series is abc/aabc/aabbc/ aabbcc
Question 9
1 / -0

aab - aa - bbb - aaa- bbb

A
abba

B
baab

C
aaab

D
abab

Solution

The series is a bb/ aaabbb/aaaabbbb Thus the letters are reparted twice thrice and four times etc
Question 10
1 / -0

A, CD, GHI, .... UVWXY

A
LMNO

B
MNOL

C
NOPQ

D
MNOP

E
none of these

Solution

The number of letters in each term is increasing by one First letter of each term is +1, +3, +5

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Re-Attempt Weekly Quiz Competition

Sequences and Series Test 3

Result

Sequences and Series Test 3

Score

-

Rank

-

SHARING IS CARING

Question 1

21O

25N

27P

27Q

29P

Solution

Question 2

TW

TV

SU

RT

UW

Solution

Question 3

abba

abab

ccac

aabb

Solution

Question 4

$$25$$

$$20$$

$$10$$

$$5$$

Solution

Question 5

K 25 P

L 25 P

L 25 O

L 27 P

none of these

Solution

Question 6

WV

WX

VW

VX

XW

Solution

Question 7

CJM

EIM

EJO

EMI

Solution

Question 8

ccaa

bbaa

abac

abba

Solution

Question 9

abba

baab

aaab

abab

Solution

Question 10

LMNO

MNOL

NOPQ

MNOP

none of these

Solution

User

Question Analysis

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