Books and Authors Practice Question and Answer
8Q: рджреА рдЧрдИ рд╕рдВрдЦреНрдпрд╛ рд╢реНрд░рдВрдЦрд▓рд╛ рдореЗрдВ рдЧрд▓рдд рд╕рдВрдЦреНрдпрд╛ рдЬреНрдЮрд╛рдд рдХреАрдЬрд┐рдП? 10, 21, 54, 109, 189 8888 05b5cc607e4d2b4197774b553
5b5cc607e4d2b4197774b553- 1189true
- 2109false
- 354false
- 421false
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Answer : 1. "189"
Explanation :
Answer: A) 189 рд╕реНрдкрд╖реНрдЯреАрдХрд░рдг: рджреА рдЧрдИ рд╕рдВрдЦреНрдпрд╛ рд╢реНрд░реГрдВрдЦрд▓рд╛ 10, 21, 54, 109, 189 рд╣реИ рд╢реНрд░реГрдВрдЦрд▓рд╛ рдПрдХ рдкреИрдЯрд░реНрди рдХрд╛ рдЕрдиреБрд╕рд░рдг рдХрд░рддреА рд╣реИ рдХрд┐ 10 + 11 = 21 21 + 33 = 54 54 + 55 = 109 109 + 77 = 186 рдЗрд╕рд▓рд┐рдП рджрд┐рдП рдЧрдП рдореЗрдВ рдЧрд▓рдд рд╕рдВрдЦреНрдпрд╛ рд╕рдВрдЦреНрдпрд╛ рд╢реНрд░реГрдВрдЦрд▓рд╛ 189 рд╣реИред
Q: 3125 ┬а256 ┬а? ┬а4 ┬а1 Which number replaces the "?" in the question? 2769 05b5cc77fe4d2b419777501dd
5b5cc77fe4d2b419777501dd- 127true
- 2128false
- 332false
- 464false
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Answer : 1. "27"
Explanation :
Answer: A) 27 Explanation: In the given series numbers are arranged following the rule, 55,44,┬а33,┬а22,┬а11 ┬аTherefore, the missing number is 27.
Q: Find the odd one out ? Hawk , ┬аParrot , ┬аOwl , ┬аEagle 4202 05b5cc76ae4d2b4197774fe9d
5b5cc76ae4d2b4197774fe9d- 1Eaglefalse
- 2Owlfalse
- 3Parrottrue
- 4Hawkfalse
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Answer : 3. "Parrot"
Explanation :
Answer: C) Parrot Explanation: All except Parrot are birds of prey.
Q: Find out the wrong term in the given series of numbers ?6, 15, 35, 77, 165, 221 1684 05b5cc728e4d2b4197774f6dc
5b5cc728e4d2b4197774f6dc- 135false
- 2165true
- 3221false
- 477false
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Answer : 2. "165"
Explanation :
Answer: B) 165 Explanation: The given series follow the rule that : Multiplying consecutive prime numbers2,3,5,7,11,13,17,19....2x3 = 63x5 = 155x7 = 357x11 = 7711x13 = 14313x17 = 221So, the wrong term is 165.
Q: Find out the wrong number in the following series ? 2880, 480, 92, 24, 8, 4, 4 1623 05b5cc720e4d2b4197774f64f
5b5cc720e4d2b4197774f64f- 1480false
- 292true
- 324false
- 44false
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Answer : 2. "92"
Explanation :
Answer: B) 92 Explanation: The given series of numbers follow the rule that, 2880/6 = 480480/5 ┬а = 9696/4 ┬а ┬а = 2424/3 ┬а ┬а = 88/2 ┬а ┬а ┬а = 44/1 ┬а ┬а ┬а = 4 But 92 is not in the rule. It is the wrong number in the given series.
Q: 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 ? 1465 05b5cc71ee4d2b4197774f5b8
5b5cc71ee4d2b4197774f5b8- 119 monthsfalse
- 221 monthstrue
- 318 monthsfalse
- 420 monthsfalse
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Answer : 2. "21 months"
Explanation :
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
Q: Find the next number in the given series ? 3, 7, 6, 5, 9, 3, 12, 1, 15, . . . 2171 05b5cc71be4d2b4197774f54e
5b5cc71be4d2b4197774f54e- 12false
- 20false
- 31false
- 4-1true
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Answer : 4. "-1"
Explanation :
Answer: D) -1 Explanation: 3, 7, 6, 5, 9, 3, 12, 1, 15, ... has two different series 1) 3, 6, 9, 12, 15..... 2) 7, 5, 3, 1, ..... -1 is the next number.
Q: Find the next number in te given series ? 5, 25, 61, 113, ... 5848 05b5cc718e4d2b4197774f4d1
5b5cc718e4d2b4197774f4d1- 1142false
- 2181true
- 3156false
- 4179false
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Answer : 2. "181"
Explanation :
Answer: B) 181 Explanation: Here the series follow the rule that 12+22┬а=┬а5 32+42┬а=┬а2552+62┬а=┬а61 72+82┬а=┬а113 ┬а SO NEXT IS,┬а92+102┬а=┬а181