1) In a college ,1/5 th of the girls and 1/8 th of the boys took part in a social camp.What of the total number of students in the college took part in the camp?

a)2/11
b)2/10
c)2/13
d)3/13
 
Answer is 2/13

2) A zookeeper counted the heads of the animals in a zoo and found it to be 80. When he counted the legs of the animals he found it to be 260. If the zoo had either pigeons or horses, how many horses were there in the zoo?

a)36
b)65
c)45
d)50

Answer is 50

3) A three digit number consists of 9,5 and one more number . When these digits are reversed and then subtracted from the original number the answer yielded will be consisting of the same digits arranged yet in a different order. What is the other digit?

a)7
b)4
c)3
d)None of these

Answer is 4

4) A man sells an article at a profit of 25%. If he had bought it at 20 % less and sold it for Rs.10.50 less, he would have gained 30%. Find the cost price of the article?

a)Rs.50
b)Rs.49.50
c)Rs.50.50
d)Rs.51

Answer is Rs.50.