Missing Numbers Quiz Set 031

Question 1

Which of the four sets is like the given set (14, 23, 32)?

A

(12, 21, 30)

B

(13, 21, 29)

C

(14, 19, 24)

D

(15, 23, 31)

Soln.
Ans: a

In the given set the difference between two consecutive numbers is 9 and so is in the set (12,21,30).

Question 2

Two numbers of the following series have been put inside round brackets. Study the series and pick your answer from the four choices given below.

3, 10, 29, (66), (127), 218

A

if the terms in both the brackets are right.

B

if the term in the first bracket is right but the term in the second bracket is wrong.

C

if the term in the first bracket is wrong but the term in the second bracket is right.

D

if the terms in both the brackets are wrong.

Soln.
Ans: a

Both the bracket numbers are right. Each term of the series is two more than the cubes of natural numbers i.e., (1)³ + 2, (2)³ + 2, (3)³ + 2, (4)³ + 2, (5)³ + 2, (6)³ + 2.

Question 3

A

60.

B

46.

C

86.

D

75.

Soln.
Ans: c

(30 - 24) x 8 = 48 and (23 - 12) x 8 = 88 ∴ (92 - 86) x 8 = 48.

Question 4

5, 9, 17, 29, 45, (?)

A

65.

B

68.

C

70.

D

60.

Soln.
Ans: a

Question 5

11, 10, (?), 100, 1001, 1000, 10001.

A

101.

B

110.

C

111.

D

1101.

Soln.
Ans: a

There are two series: 11, 101, 1001, 10001, one zero is increased between two digits of 1 - 1. The second series is 10, 100, 1000, one zero is increased in the end.