arrow
arrow
arrow
Refer to the following number series and answer the question that follows (all numbers are single digit numbers only). Counting to be done from l
Question

Refer to the following number series and answer the question that follows (all numbers are single digit numbers only). Counting to be done from left to right only.
(Left) 3 6 2 8 7 4 3 1 6 9 2 5 8 1 3 4 8 7 5 4 7 9 5 7 2 4 1 (Right)
How many such even digits are there each of which is immediately preceded by a perfect square and immediately followed by an odd digit?
(NOTE: 1 is also a perfect square.)

A.

More than three

B.

Three

C.

Two

D.

One

Correct option is B

Given: (Left) 3 6 2 8 7 4 3 1 6 9 2 5 8 1 3 4 8 7 5 4 7 9 5 7 2 4 1 (Right)
Logic: Perfect Square | Even Digit | Odd Digit
Three even digits are there each of which is immediately preceded by a perfect square and immediately followed by an odd digit.
Thus, correct option is (b).

Free Tests

Free
Must Attempt

CBT-1 Full Mock Test 1

languageIcon English
  • pdpQsnIcon100 Questions
  • pdpsheetsIcon100 Marks
  • timerIcon90 Mins
languageIcon English
Free
Must Attempt

RRB NTPC Graduate Level PYP (Held on 5 Jun 2025 S1)

languageIcon English
  • pdpQsnIcon100 Questions
  • pdpsheetsIcon100 Marks
  • timerIcon90 Mins
languageIcon English
Free
Must Attempt

CBT-1 General Awareness Section Test 1

languageIcon English
  • pdpQsnIcon40 Questions
  • pdpsheetsIcon30 Marks
  • timerIcon25 Mins
languageIcon English

Similar Questions

test-prime-package

Access ‘RPF Constable’ Mock Tests with

  • 60000+ Mocks and Previous Year Papers
  • Unlimited Re-Attempts
  • Personalised Report Card
  • 500% Refund on Final Selection
  • Largest Community
students-icon
354k+ students have already unlocked exclusive benefits with Test Prime!
Our Plans
Monthsup-arrow