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Mathematics Preparation for Engineering Entrance

(974 Posts)

This thread is dedicated to preparation for Mathematics section of Engineering Entrance exams like IITJEE, RPET, BITSAT, GCET, EAMCET, ISAT, KEAM, WBJEE etc. You may share questions related to topics like Mechanics, Algebra, Probability, Trigonometry, Calculus, Permutations & Combinations, Matrices & Determinants, Complex Numbers, Co-Ordinate Geometry, Statistics etc.

Question should not exceed 100 characters.Use add options for multiple choice questions and "Uploadimage/Add related data" for passage text papers.
Question should be at least 10 characters long.
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Vaibhavi
Posted on 09 Jun, 2019 10:48 AM
Show common data

6th question

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

sin2 5o + sin2 10o + sin2 15o + + sin2 90o is equal to

 
9
0
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Kwopac Tm
Posted on 19 May, 2019 9:15 PM

Excellent

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

 then (I + A)(I - A)-1 equals

 
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Ashtecs Vines
Posted on 17 May, 2019 1:50 PM

Jljkjbkkjjh

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

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

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

Any another method!!!!!!!