At present a person is 4 times older than his son and is 3 years older than his wife After 3 years the age of the son will be 15 years. The age of the person's wife after 5 years will be:
| A. | 50 |
| B. | 42 |
| C. | 48 |
| D. | 45 |
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Option: A Explanation : Click on Discuss to view users comments. Pooja Sajnani said: (10:41pm on Monday 24th August 2015)
equation for husband is 4x=y 3equation for son is x 3=15equation for wife is y 5=?first solve equation for son is x=12den u vl get value for y=4545 5=50
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Among the following statements two are contradictory to each other. Select the correct code that represents them:
Statements:
(a) All poets are philosophers.
(b) Some poets are philosophers.
(c) Some poets are not philosophers.
(d) No philosopher is a poet.
Codes:
| A. | (b) and (c) |
| B. | (a) and (b) |
| C. | (a) and (d) |
| D. | (a) and (c) |
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Option: D Explanation : Click on Discuss to view users comments. archna sharma said: (11:15am on Sunday 28th June 2015)
Enter your Comments here.....b answer..
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In an examination 10,000 students appeared. The result revealed the number of students who have:
passed in all five subjects = 5583
passed in three subjects only = 1400
passed in two subjects only = 1200
passed in one subject only 735
failed in English only = 75
failed in Physics only = 145
failed in Chemistry only = 140
failed in Mathematics only = 200
failed in Bio-science only = 157
The number of students passed in at least four subjects is:
| A. | 7900 |
| B. | 6300 |
| C. | 6900 |
| D. | 7300 |
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Option: B Explanation : Click on Discuss to view users comments. Pooja Sajnani said: (10:46pm on Monday 24th August 2015)
passed in all five subs = 5583nw add failed in one sub = 75 145 140 200 157 = 717nw add 5583 717=6300we want no of students passed in atleast 4 subs i.e. minimum 4 subs
sachin said: (2:00am on Saturday 7th November 2015)
Passed in atleast 4 subject means those students who are getting passed in 4 subjects and failed in single subject.so 5583 717 (failed in single subject) i.e. 6300
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