Assuming full occupancy, a bogie of which class exhibits the highest profit margin? `3\ t i e r` b. `A C-3\ t i e r` c. `A C-t i e r` d. `A C-fi r s t\ c l a s s`

The highest revenue for a journey for, P to D will always be generated by A C-2 t i e r b. 3 t i e r c. A C-3 t i e r d. cannot be determined

A train running at the speed of 60 kmph crosses a 200 m long platform in 27 seconds. What is the length of the train ? 200 m e t r e s b. 240 m e t r e s c. 250 m e t r e s d. 450 m e t r e s e. none of these

A 50 metre long train passes over a bridge at the speed of 30 km per hour. If it takes 36 seconds to cross the bridge, what is the length of the bridge? 200 m e t r e s b. 250 m e t r e s c. 300 m e t r e s d. 350 m e t r e s

Which of the following can not form amalgam ? Z n , N a C u , M g F e , P t T i , C r

In a bucket is 80% full, then it contains 2 litres more water than I is 66 2/3% full. What is the capacity of the bucket? 10 l i t r e s b. 15 l i t r e s c. 16 2/3l i t r e s d. 20 l i t r e s

The firm uses the following function to calculate the production output (P O): P O=5. 3 C^2L^(15), where C= capital invested and L=labour employed. If the capital invested C increases by 20 percent, the change in PO will be 20% d e c r e a s e b. 32 % i nc r e a s e c. 44 % i n c r e a s e d. 56% i n c r e a s e

Monthly consumption of kerosene oil in certain household along with price variations is given below : Rate of kerosene oil (in Rs) 1.5 2 3.0 4.5 Consumption (in litres) 60 45 30 20 When the price goes up to Rs. 6 per litre, what is the likely consumption of kerosene? 7. 5 l i t r e s b. 10 l i t r e s c. 12. 5 l i t r e s d. 15 l i t r e s

The percentage of marks obtained by a student in the monthly unit tests are given below: U n i t\ t e s t : I I I I I I I V V P e r c e n t ag e\ of\ m a r k s\ ob t a i n e d : 58 74 76 62 85 Find the probability that the student gets: (i) a first class i.e. at least 60% marks (ii) marks between 70% and 80% (iii) a distinction i.e. 75% or above (iv) less than 65% marks.

Two poles are a metres apart and the height of one is double of the other. If from the middle point of the line joining their feet an observer finds the angular elevations of their tops to be complementary, then the height of the smaller is (a) sqrt(2)am e t r e s (b) a/(2sqrt(2))m e t r e s (c) a/(sqrt(2))m e t r e s (d) 2am e t r e s