arrow
arrow
arrow
If 24 B 6 B 12 = 42 and 31 B7 B 13=51, then 64 B 9 B 4 =?
Question

If 24 B 6 B 12 = 42 and 31 B7 B 13=51, then 64 B 9 B 4 =?

A.

78

B.

77

C.

76

D.

79

Correct option is B

Given:
24 B 6 B 12 = 42
31 B 7 B 13=51
64 B 9 B 4 =?
Let: B = +
After replace the sing we get following equations-
24 + 6 + 12 = 42
42 = 42
And
31 + 7 + 13=51
51 =51
Similarly,
64 + 9 + 4 =?
? = 77
Correct answer is (b) 77.

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 ‘RRB NTPC’ 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