Q65.Fractional part of the number 42022 is equal to 15 (1) 8 (2) 4 15 15 (3) 14 (4) 1 15 15 n 6
What This Question Tests
This question asks for the fractional part of a number in the form a^n/m, which can be solved by manipulating the numerator using the binomial theorem to express it in terms of multiples of the denominator plus a remainder.
Concepts Tested
Formulas Used
(a+b)ⁿ = ΣⁿCr aⁿ⁻ʳ bʳ
📚 NCERT Sections This Tests
1.28 — Calculate The Mass Percentage Of Aspirin (C9H8O4) In Acetonitrile (Ch3Cn) When
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1.28 Calculate the mass percentage of aspirin (C9H8O4) in acetonitrile (CH3CN) when 6.5 g of C9H8O4 is dissolved in 450 g of CH3CN.
1.3 — Define The Following Terms:
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1.3 Define the following terms: (i) Mole fraction (ii) Molality (iii) Molarity (iv) Mass percentage.
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1.4 Concentrated nitric acid used in laboratory work is 68% nitric acid by mass in aqueous solution. What should be the molarity of such a sample of the acid if the density of the solution is 1.504 g mL–1? 27 Solutions Reprint 2025-26
📋 Question Details
- Chapter
- Binomial Theorem
- Topic
- Fractional part of a number
- Year
- 2023
- Shift
- 13 Apr Shift 1
- Q Number
- Q65
- Type
- MCQ
- NCERT Ref
- Class 11 Mathematics Ch 8: Binomial Theorem
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