 ## Wednesday, 24 May 2017

1 . A.   28500 B.   33000 C.   33500 D.   31500
2 . If total number of students in college D is 6000, then what is the total number of failed girls in college E ?

 A.   17800 B.   15200 C.   data inadequate D.   16500
3 . In an international tennis tournament, the probability of three–Indian player to participate is$2\over3$,$1\over4$and$3\over5$ respectively. What is the probability that only one player participate in the tournament ?

 A.   $25\over60$ B.   $33\over60$ C.   $23\over60$ D.   $23\over60$
4 . Shooter A shoots a target correctly 2 times out of total 3 chance, while shooter B shoots the same target correctly 3 time out of total 5 chance. What is the probability that the target would be shoot ?

 A.   $12\over15$ B.   $13\over15$ C.   $16\over15$ D.   $11\over15$
5 . Sudhir and Kishan explain an incident correctly 70 % and 60 % respectively. What is the probability that both explain the incident in same way or in a similar way ?

 A.   $20\over50$ B.   $23\over50$ C.   $26\over50$ D.   $27\over50$
6 . How many ways 4 boys and 3 girls can be seated in a circular table if all 3 girls don't sit together?

 A.   576 B.   376 C.   575 D.   none of these
7 . 5 friends went to a shopping mall for purchasing a gift, four friends spent 100 each and 5th friend spent 108 more than average of all 5, find their total expenditure ?

 A.   Rs 610 B.   Rs 635 C.   Rs 630 D.   Rs 640
8 . Compound interest of 3rd year is Rs 24.5 and rate of interest is 16$2\over3$% pa. Find five years simple interest ?

 A.   Rs 80 B.   Rs 85 C.   Rs 90 D.   Rs 95
9 . A.   380 B.   370 C.   390 D.   385
10 . A stream is running 2 km/hr. a boat goes 10 km upstream and back again the starting point in 55 minute. Find the speed of the boat in still water ?

 A.   24 km/hr. B.   23 km/hr. C.   22 km/hr. D.   25 km/hr.

1 .
 Answer : Option B Explanation :  30 % = 9000  70 % = 21000=($9000\over30$x70) Passed Girls in college B = 21000x$8\over10$=12000Now 25%=15000 75%=$15000\over25$x75$45000x7\over(8+7)$=210000Total number of passed Girls in college B and A together = 12000 + 21000 = 33000
2 .
 Answer : Option C Explanation :
3 .
 Answer : Option D Explanation : Only one player will participate, if other two players disqualified=($12+2+9\over60$)=$23\over60$
4 .
 Answer : Option D Explanation : A’s probability of shooting = $2\over3$B’s probability of shooting = $3\over5$So the probability that the target would be shoot means →at least one player shoot the target correctly.= 1 – (None shoot correctly) =1-($1\over3$x$2\over5$)=(1-$2\over15$)=$13\over15$
5 .
 Answer : Option D Explanation : Both explains the incident in same way means either both speak true or both speak false :(70 % × 60 % + 30 %× 40 %) = (42 % + 12 %) =$54\over100$=$27\over50$
6 .
 Answer : Option D Explanation :
7 .
 Answer : Option B Explanation : (5x100+$108\over4$x5)=500+135=635
8 .
 Answer : Option C Explanation :
9 .
 Answer : Option C Explanation : 600x[100-(20+15)]=600x65%=390
10 .
 Answer : Option C Explanation : 