Aptitude Practice Question and Answer
8 Q: If a : b = 20:5 then find out the value of (13a-9b): (11a-7b)?
2104 05f5899bb69ed13038c0d610d
5f5899bb69ed13038c0d610d- 1$$ {43\over 37}$$true
- 2$$ {43\over 42}$$false
- 3$$ {44\over 37}$$false
- 4$$ {40\over 33}$$false
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Answer : 1. "$$ {43\over 37}$$"
Q: The average of three consecutive odd numbers is 12 more than one third of the first of these numbers. What is the last of the three numbers?
2103 05f2a625dcef453383f1e3ce5
5f2a625dcef453383f1e3ce5- 119true
- 216false
- 315false
- 417false
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Answer : 1. "19 "
Q: The average weight of 29 students is 40 kg. If the weight of teacher be included the average weight increased by 400 gms. The weight of the teacher is-
2103 0603dce2ee759ac364c8ba6f3
603dce2ee759ac364c8ba6f3- 150 kgfalse
- 249 kgfalse
- 352 kgtrue
- 455 kgfalse
- 5None of thesefalse
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Answer : 3. "52 kg "
Q: The average of a set of 20 numbers is P. If one of the numbers from the set is replaced with 58, then the average becomes (P - 2). What is the value of the number that is replaced?
2103 0642c09782b960e1a419611d3
642c09782b960e1a419611d3- 198true
- 294false
- 360false
- 4104false
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Answer : 1. "98 "
Q: A train moves past a telegraph post and a bridge 264 m long in 8 seconds and 20 seconds respectively. What is the speed of the train?
2103 05de496be80801d48fb7e70f1
5de496be80801d48fb7e70f1- 169.5 km/hrfalse
- 270 km/hrfalse
- 379 km/hrfalse
- 479.2 km/hrtrue
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Answer : 4. "79.2 km/hr "
Q: 28% members of a certain group are married. What is the respective ratio between the number of married members to the number of unmarried members?
2103 05d4a9f58108bca202e8a3645
5d4a9f58108bca202e8a3645- 17:17false
- 25: 18false
- 37:18true
- 4Cannot determinedfalse
- 5None of thesefalse
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Answer : 3. "7:18"
Explanation :
Let total number of person is=100
married person=28
unmarried person will be 100-28=72
The ratio will be 28/72=7/18
Q: The twice of sum of the ages of a father and his son is 8 times the age of the son. If the average age of the father and the son is 30 years, what is father's age ? 2100 05b5cc6c9e4d2b4197774df83
5b5cc6c9e4d2b4197774df83- 142 yrsfalse
- 245 yrstrue
- 336 yrsfalse
- 438 yrsfalse
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Answer : 2. "45 yrs"
Explanation :
Answer: B) 45 yrs Explanation: Let father's age be x year and son's age be y year. According to question, 2(x+y) = 8y _______(I) and (x+y)/2 = 30 => x+y = 60 years__________(II) From equation (I) and (II) 8 y = 120 y = 15 years, Hence x = 45 years.
Q: A man buys 12 articles for Rs. 12 /- and sells them at the rate of Rs.1.25 per article. His gain percentage is:
2099 05dbab0d733aa9436e0e60d77
5dbab0d733aa9436e0e60d77- 120false
- 225true
- 315false
- 418false
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