Question
How many terms are there in the geometric progression 6,
18, 54, 39366?Solution
First term (a) = 6 18 The total ratio (r) T = arn-1 According to the question, 39366=6×3(n-1) 3n-1 = 6561 3n-1 = 38 (n-1) =8 Therefore n=9
More No. System Questions
If 1.123 × 3.211 = 3.122 + ______________, then the number in blank space is
242 + 80% of 1620 = ? × 16 – 35% of 800
60% of 120 – ?% of 64 = 20% of 200
Solve: 666/6/3 = ?
(7/5) × (3/4) × (5/9) × (6/7) × 3112 = ?
- What will come in the place of question mark (?) in the given expression?
389 + 641 - ? = 180 X 2 420 ÷ 7 + 140 % of 20 + ? × 13 = 18 × 15
√676 + (0.75 × 80) + (72 ÷ 3) = ? - 82
20% of 150 + 30 X 4 = ? X 5
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