Books and Authors प्रश्न और उत्तर का अभ्यास करें
8प्र: 2.5, 3.5, 9, 40, ? Find the next number in the above-given series? 1913 05b5cc6bae4d2b4197774d7df
5b5cc6bae4d2b4197774d7df- 1316false
- 2328true
- 3323false
- 4340false
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उत्तर : 2. "328"
व्याख्या :
Answer: B) 328 Explanation: 2.5 × 1 + 1 = 3.5 3.5 × 2 + 2 = 9 9 × 4 + 4 = 40 40 × 8 + 8 = 328
प्र: Find the missing number in the given number series? 5 11 21 44 ? 175 1913 05b5cc6a2e4d2b4197774cb99
5b5cc6a2e4d2b4197774cb99- 186true
- 278false
- 394false
- 4102false
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उत्तर : 1. "86"
व्याख्या :
Answer: A) 86 Explanation: Here the given number series is 5 11 21 44 ? 175 Now the given series follows a pattern, that x2 + 1, x2 - 1, x2 + 2, x2 - 2, x2 + 3, x2 - 3,... Then the missing number is x2 - 2 = 44 x 2 - 2 = 88 - 2 = 86 Hence, the missing number in the number series is 86.
प्र: The book " The Vijay Mallya Story " has been written by _____ 1904 05b5cc6cae4d2b4197774e04f
5b5cc6cae4d2b4197774e04f- 1Vijay Mallyafalse
- 2Gopinathfalse
- 3Giriprakashtrue
- 4Siddharth Mallyafalse
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उत्तर : 3. "Giriprakash"
व्याख्या :
Answer: C) Giriprakash Explanation:
प्र: Who is the author of the book "Flaming Tresses of Draupadi" ? 1843 05b5cc6f8e4d2b4197774f08b
5b5cc6f8e4d2b4197774f08b- 1Smriti Iranifalse
- 2Veerappa Moilytrue
- 3Mallikarjun Khargefalse
- 4Nonefalse
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उत्तर : 2. "Veerappa Moily"
व्याख्या :
Answer: B) Veerappa Moily Explanation:
प्र: Find the odd term from the given series of numbers ? 125, 127, 130, 135, 142, 153, 165 ? 1831 05b5cc6dde4d2b4197774e9e7
5b5cc6dde4d2b4197774e9e7- 1153false
- 2165true
- 3142false
- 4127false
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उत्तर : 2. "165"
व्याख्या :
Answer: B) 165 Explanation: From the beginning, the next term comes by adding prime numbers in a sequence of 2, 3, 5, 7, 9, 11, 13... to its previous term. But 165 will not be in the series as it must be replaced by 166 since 153+13 = 166.
प्र: Find the Missing number in the given number series? 5, 9, 15, 23, ?, 45 1826 05b5cc6a7e4d2b4197774ce1d
5b5cc6a7e4d2b4197774ce1d- 133true
- 229false
- 331false
- 435false
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उत्तर : 1. "33"
व्याख्या :
Answer: A) 33 Explanation: The given series follows a pattern that, +4, +6, +8, +10, +12... 5 5 + 4 = 9 9 + 6 = 15 15 + 8 = 23 23 + 10 = 33 33 + 12 = 45 Hence, the missing number in the series is 33.
प्र: Find out the wrong number in the following series ? 2880, 480, 92, 24, 8, 4, 4 1823 05b5cc720e4d2b4197774f64f
5b5cc720e4d2b4197774f64f- 1480false
- 292true
- 324false
- 44false
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उत्तर : 2. "92"
व्याख्या :
Answer: B) 92 Explanation: The given series of numbers follow the rule that, 2880/6 = 480480/5 = 9696/4 = 2424/3 = 88/2 = 44/1 = 4 But 92 is not in the rule. It is the wrong number in the given series.
प्र: A man saves Rs. 200 in each of the first three months of his service. In each of the subsequent months his saving increases by Rs. 40 more than the saving of immediately previous month. His total saving from the start of service will be Rs. 11040 after ? 1818 05b5cc71ee4d2b4197774f5b8
5b5cc71ee4d2b4197774f5b8- 119 monthsfalse
- 221 monthstrue
- 318 monthsfalse
- 420 monthsfalse
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उत्तर : 2. "21 months"
व्याख्या :
Answer: B) 21 months Explanation: Total savings = 200 + 200 + 200 + 240 + 280 + ... to n months = 11040 = 120 + 80 + 160 + 40 + 200 + 240 + ....n terms= 40 + 80 + 120 + 160 + 200 + 240 + ...n terms= n/2[2a + (n-1)d] + 80 + 40 = 11040= n/2[240 + (n-1)40] = 10920= n[6+n-1] = 546= n[n+5] = 546n = 21