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If double the age of the daughter is added to the age of her mother, the sum is 70 and if double the age of mother is added to the age of the daughter, the sum is 95. The respective ages of daughter and mother (in years) are:
301 0 64f850eca910aab8f9ffdebc- 115 and 40true
- 220 and 30false
- 325 and 35false
- 420 and 35false
- 5None of thesefalse
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Answer : 1 15 and 40
Ramiya got married 8 years ago. Her present age is 6/5 times her age at the time of her marriage. Ramiya’s brother was 10 years younger than her at the time of her marriage. What is the ratio of Ramiya’s present age and her brother’s age at the time of her marriage?
254 0 64e73c95d928d8b71612e8b6- 12 : 7false
- 27 : 9false
- 34 : 7false
- 48 : 5true
- 5None of the abovefalse
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Answer : 4 8 : 5
Average age of x students in a group is 20. When 4 new students are admitted with a age of 7.5 years each, then the average is decreased by 5. What is the value of x?
282 0 64ddf095d4a4292bfff85c34- 15false
- 23false
- 37false
- 46true
- 54false
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Answer : 4 6
In a class, there are certain numbers of students. Their average age is 12 years. If two students leave the class, their ages are 23 years and 25 years respectively. Then the average age of the class becomes 11 years. Find the number of students in the class.
203 0 64dc7bc990a003851dff806c- 125false
- 228false
- 330false
- 426true
- 535false
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Answer : 4 26
10 years ago, respective ratio of the age of mother and daughter was 4 : 1. 10 years later, the respective ratio of the age of mother and daughter will become 2 : 1. At present, what is the sum of their age?
215 0 64dc7a2ed4a4292bfff355ed- 155 yearsfalse
- 265 yearsfalse
- 370 yearstrue
- 475 yearsfalse
- 577 yearsfalse
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