TRB POLYTECHNIC 2021 - Maths Key | Revised key Q.no 2 - B/C, 3 - B, 8 - *, 56-A, 94 - A, 100 - D.

TRB POLYTECHNIC 2021 - Maths Answer Key with Qns | almost correct key.
Note:
REVISED KEY:
Part A: Q.no 2 - B/C, Q.no 3 - B, 8 - ALL OPTIONS ARE WRONG, 56 - A (only), 94 - A, 100 - D.

Expected Cut-off:
OC: 140-150
BC: 130-140
MBC: 120-130
SC/ST: 110-120

ONLINE Maths Courses offered:
CSIR NET/JRF , SET ,
TRB PG Assistant, TRB Polytechnic Lecturer.

Coaching by Prof. SURESH (CSIR NET & SET qualified).

Comment if any key is incorrect.

[dineshkumarmaths]

Sir Q no 8 all options wrong. Since if we use s then n-1 should present. If we use s bar then n should present. Note that s bar is estimate of population SD and s means sample SD. So we claim

[ahabibullahhabibullah]

Bcm114. Is there any possibility to select

[deepaselvam]

Sir q. No 40 option b is correct? Pls clarify me

[albinoandrews]

Any one can u guess highest mark in BC mechanical engineering?

[ProfSureshMathsClasses]

Note:
REVISED KEY:
Part A: Q.no 2 - B/C, 3 - B, 94 - A, 100 - D.

[kuhannithya]

Part B Q. no 29 &35 option B correct sir