1. Vinod makes a profit of Rs. 110 if he sells a certain number of pencils he has at the price of Rs. 2.5 per pencil and incurs a loss of Rs. 55 if he sells the same number of pencils for Rs. 1.75 per pencil. How many pencils does Vinod have? (1)
(1) 220
(2) 240
(3) 200
(4) Cannot be determined
(5) None of these
2. Which of the following represents ab = 64 ? (4)
(1) 8 : a = 8 : b
(2) a : 16 = b : 4
(3) a : 8 = b : 8
(4) 32 : a = b : 2
(5) None of these
3. A bus covered a certain distance from village A to village B at the speed of 60 km./hr. However on its return journey it got stuck in traffic and covered the same distance at the speed of 40 km/hr. and took 2 hours more to reach its destination. What is the distance covered between village A and B? (1)
(1) 240 km
(2) 260 km
(3) 200 km
(4) Cannot be determined
(5) None of these
4. The ratio of the number of students studying in schools A, B and C is 5 : 8 : 4 respectively. If the number of students studying in each of the schools is increased by 20%, 25% and 30% respectively, what will be the new respective ratio of the students in schools A, B and C? (3)
(1) 13 : 25 : 15
(2) 20 : 25 : 13
(3) 15 : 25 : 13
(4) Cannot be determined
(5) None of these
5. A train speeds past a pole in 20 seconds and speeds past a platform 100 metre in length in 30 second. What is the length of the train? (4)
(1) 100 metre
(2) 150 metre
(3) 180 metre
(4) 200 metre
(5) None of these