Missing Numbers Quiz Set 019 | Missing Numbers Type of Questions for Aptitude and Reasoning Exams Set 19 | Online self tests for IBPS, Clerical, SO, SSC, SSB, NTSE, Mental Ability Exams

Which set of numbers is like given set 8, 3, 2?

95, 24, 5.

63, 8, 3.

168, 15, 4.

10, 6, 5.

Soln.
Ans: b

Move from right to left and observe this pattern: 2² - 1 = 3 and 3² - 1 = 8 Similarly 3² - 1 = 8, 8² - 1 = 63

66, 36, 18, (?)

Soln.
Ans: b

Start with 66. We have 6X6 = 36. Multiply the two digits of 36 to get 3X6 = 18, similarly, 1X8 = 8 is the last required digit.

Soln.
Ans: d

Solution | Discuss! | Chapters»

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.

4, 6, 10, (12), 16, (14), 22

if the terms in both the brackets are right.

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

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

if the terms in both the brackets are wrong.

Soln.
Ans: b

The number in the 2nd bracket, 14 is wrong and should be replaced by 18 so that series moves successively with a difference of 2 and 4 alternatively.

In the following number series, one of the numbers does not fit into the series. Find the wrong number.

9, 15, 24, 34, 51, 69, 90

Soln.
Ans: c

Number 34 is wrong and should be replaced by 36. The series is: +6, +9, +12, +15, etc., So 24 + 12 is 36, not 34.

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