Q65.If x1, x2, … . , xn and h11 , h21 , … . . hn1 are two A.P's such that x3 = h2 = 8 and x8 = h7 = 20 , then x5. h10 equals. (1) 2560 (2) 2650 (3) 3200 (4) 1600
What This Question Tests
This question tests the properties of arithmetic progressions, requiring the determination of the first term and common difference for two APs given specific terms, and then calculating the product of two specific terms.
Concepts Tested
Formulas Used
a_n = a + (n-1)d
📚 NCERT Sections This Tests
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📋 Question Details
- Chapter
- Sequences & Series
- Topic
- Arithmetic Progression
- Year
- 2018
- Shift
- 15 Apr Shift 1 Online
- Q Number
- Q65
- Type
- MCQ
- NCERT Ref
- Class 11 Mathematics Ch 9: Sequences & Series
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