Maths Practice Question and Answer
8 4 Answer : 2. "45 yrs"
4 Answer : 1. " 10%"
4 4 Answer : 2. "2 years"
5 Q:
5d4abb56108bca202e8a74d9 4 Q:
5dad6d1655abe308d80142c3 5 Q:
5e6c90218fcee56af205b0c9 4 Q:
5f169dde9a713b0717ccf625
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 ? 1838 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: 0.01 is what per cent of 0.1 ? 3714 25cda8e04daf80a0820f09399
5cda8e04daf80a0820f09399- 110%true
- 2$${1\over 10}\% $$false
- 3100%false
- 4$${1\over 100}\% $$false
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Answer : 1. " 10%"
Explanation :
Q: A sum of Rs. 10,000 is rent partly at 8% and remaining at 10% per annum. If the yearly interest on the average is 9.2%, the two parts are 3218 05cfdfb7cbc9a366f29325748
5cfdfb7cbc9a366f29325748- 1Rs. 4000, Rs. 6000true
- 2Rs. 4500, Rs. 5500false
- 3Rs. 5000, Rs. 5000false
- 4Rs. 5500, Rs. 4500false
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Answer : 1. "Rs. 4000, Rs. 6000"
Q: Rs 1250 becomes Rs 1352 after a certain period at the rate of 4% per annum. Find out the period of investment, if interest add in principal after every year? 1819 05d12146236b7496de237f5d1
5d12146236b7496de237f5d1- 14 yearsfalse
- 22 yearstrue
- 33 yearsfalse
- 45 yearsfalse
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Answer : 2. "2 years"
Explanation :
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Q: What is the respective ratio of number of employees in Administrative department to the number of males in the same department?
8730 15d4abb56108bca202e8a74d9
5d4abb56108bca202e8a74d9- 19:4true
- 28:3false
- 37:2false
- 48:5false
- 5None of thesefalse
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Answer : 1. "9:4"
Q: Out of six consecutive natural numbers, if the sum of first three is 27, what is the sum of the other three?
1925 05dad6d1655abe308d80142c3
5dad6d1655abe308d80142c3- 136true
- 235false
- 325false
- 424false
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Answer : 1. "36"
Q: Find the average of the following set of numbers 148, 88, 184, 166, 96, 122
2037 05e6c90218fcee56af205b0c9
5e6c90218fcee56af205b0c9- 1146false
- 2142false
- 3136false
- 4132false
- 5None of thesetrue
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Answer : 5. "None of these"
Q: At what percent per annum will Rs. 3000 amounts to Rs. 3993 in 3 years if the interest is compounded annually?
1317 05f169dde9a713b0717ccf625
5f169dde9a713b0717ccf625- 111%false
- 213%false
- 39%false
- 410%true
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Answer : 4. "10% "
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