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All posts related to Mathematics

Kwopac Tm
Shared from BITSAT Mock - 4 on May 19, 2019 9:15 PM

sin2 5° + sin2 10° + sin2 15° + ... + sin2 90° is equal to

 
9
0
Please type your answer before submitting.
Kwopac Tm

Excellent

Ashtecs Vines
Shared from BITSAT Mock - 2 on May 17, 2019 1:50 PM

then (I + A)(I - A)-1 equals

 
Please type your answer before submitting.
Ashtecs Vines

Jljkjbkkjjh

Geethalakshmi Srinivas
Shared from Number Theory (SAT) on May 16, 2019 4:14 PM

 
a multiple of 3
a prime number
an even integer
an odd integer
the cube of an integer
Please type your answer before submitting.
Geethalakshmi Srinivas

Hello , 27 - 8 is 19 . not 15 . wrong solution and no correct answer or wrong question

Khushi Munjal
Shared from BITSAT Mock - 8 on May 15, 2019 10:23 PM

If the coefficients of rth and (r + 1)th terms in the expansion of (3 + 7x)29 are equal, then r is equal to

 
15
21
14
None of these
Please type your answer before submitting.
Khushi Munjal

Its very time consuming. any short method????

Khushi Munjal
Shared from BITSAT Mock - 8 on May 15, 2019 10:04 PM

All the letters in the word ''AGAIN'' are permuted in every possible way and the words so formed (with or without meaning) are written in alphabetical order. Then, the 50th word will be

 
INAGA
IAANG
NAAGI
NAAIG
Please type your answer before submitting.
Khushi Munjal

Any another method!!!!!!!