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Average sheet 4

Q1. I was born 30 years after my father was born. My sister was born 25 years after my mother was born. The average age of my family is 26.25 years right now. My sister will get married 4 years from now and will leave the family. Then the average age of the family will be 107/3 years. What is the age of my father?
मैं अपने पिता के जन्म के 30 साल बाद पैदा हुआ था। मेरी माँ के पैदा होने के 25 साल बाद मेरी बहन का जन्म हुआ। मेरे परिवार की औसत आयु अभी 26.25 वर्ष है। मेरी बहन अब से 4 साल बाद शादी करेगी और परिवार छोड़ देगी। तब परिवार की औसत आयु 107/3 वर्ष होगी। मेरे पिता की उम्र क्या है?
(a) 30 year
(b) 35 year
(c) 40 year
(d) 45 year

Q2. In a one day match of 50 overs in an innings the Team A had a run rate of 6.1 runs per over. Team B is playing and 10 overs are left and the required run rate to tie the match is 6.5 per over. What is Team B’s score now?
एक पारी में 50 ओवरों के एक दिन के मैच में टीम A की रन रेट 6.1 रन प्रति ओवर थे। टीम B खेल रही है और 10 ओवर बचे हैं और मैच को टाई करने के लिए आवश्यक रन रेट 6.5 प्रति ओवर है। टीम B का स्कोर अभी कितना है?
(a) 235
(b) 230
(c) 240
(d) 225


Q3. A zoo has an average of 500 visitors on Sundays and 200 on other days. The average number of visitors per day in a month of 30 days beginning with a Sunday is:
एक चिड़ियाघर में रविवार को औसतन 500 और अन्य दिनों में 200 पर्यटक आते हैं। रविवार से शुरू होने वाले 30 दिनों के एक महीने में प्रति दिन पर्यटकों की औसत संख्या क्या है?
(a) 225
(b) 275
(c) 300
(d) 250


Q4. Average of ‘N’ numbers is 82. If of the numbers are decreased by 14 and rest of the numbers increased by then what will be new average?
‘N’ संख्याओं का औसत 82 है। यदि संख्या के में 14 की कमी होती है और बाकी संख्याएँ तक बढ़ जाती हैं तो नया औसत क्या होगा?
(a) 80
(b) 73
(c) 9


Q5. In a class of 60 students there are 20 girls who scored an average of 40 marks in the test, what is the average marks of the boys if the class average is 60 marks?
60 छात्रों की एक कक्षा में 20 लड़कियां हैं जिन्होंने टेस्ट में औसतन 40 अंक प्राप्त किए हैं, अगर कक्षा का औसत 60 अंक है तो लड़कों का औसत अंक क्या है?
(a) 60
(b) 70
(c) 50
(d) 80


Q6. The average of 44 consecutive odd numbers is 144.What is the largest number?
44 क्रमागत विषम संख्याओं का औसत 144 है। सबसे बड़ी संख्या क्या है?
(a) 189
(b) 191
(c) 187
(d) 193

Q7. Average of M number is 55. If the average of first 7 number is 58 and that of another 5 number is 52. then find value of M when average of rest numbers is 53.5.
M संख्या का औसत 55 है। यदि पहली 7 संख्या का औसत 58 है और अन्य 5 संख्या का औसत 52 है। तब M का मान ज्ञात करें जब बाकी संख्याओं का औसत 53.5 है.
(a) 20
(b) 19
(c) 16
(d) 38


Q8. The average of 35 consecutive even numbers is 44. Find the smallest number.
35 क्रमागत सम संख्याओं का औसत 44 है. तो सबसे छोटी संख्या ज्ञात करें
(a) 8
(b) 12
(c) 10
(d) 14

Q9. Average of all even numbers between 222 and 250 is __________.
222 और 250 के बीच सभी सम संख्याओं का औसत __________ है।
(a) 234
(b) 232
(c)236
(d)230

Q10. A batsman makes 100 runs in the 25thmatch of his career. His average runs per match increases by 1.4. Find his average before the 25thmatch.
एक बल्लेबाज अपने करियर के 25 वें मैच में 100 रन बनाता है। प्रति मैच उसके औसत रन 1.4 से बढ़ जाते है। 25 वें मैच से पहले उनका औसत ज्ञात करें।
(a) 65
(b) 55
(c) 75
(d) 45

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