GMAT Maths

Can you provide me some Maths questions for preparation of Graduate Management Admission Test (GMAT) as I will be giving the exam this time?

[pawan]

Some Maths questions for preparation of Graduate Management Admission Test (GMAT) are as follows:

A train traveling at 72 kmph crosses a platform in 30 seconds and a man standing on the platform in 18 seconds. What is the length of the platform in meters?
240 meters
360 meters
420 meters
600 meters


A train traveling at 100 kmph overtakes a motorbike traveling at 64 kmph in 40 seconds. What is the length of the train in meters?
1777 meters
1822 meters
400 meters
1111 meters
None of these

Jim travels the first 3 hours of his journey at 60 mph speed and the remaining 5 hours at 24 mph speed. What is the average speed of Jims travel in mph?
42 mph
36 mph
37.5 mph
42.5 mph
48 mph

A runs 25% faster than B and is able to allow B a lead of 7 meters to end a race in dead heat. What is the length of the race?
10 meters
25 meters
45 meters
15 meters
35 meters

Jane covered a distance of 340 miles between city A and city B taking a total of 5 hours. If part of the distance was covered at 60 miles per hour speed and the balance at 80 miles per hour speed, how many hours did she travel at 60 miles per hour?
2 hours 30 minutes
3 hours
2 hours
1 hour 45 minutes
None of these

Steve traveled the first 2 hours of his journey at 40 mph and the last 3 hours of his journey at 80 mph. What is his average speed of travel for the entire journey?
60 mph
56.67 mph
53.33 mph
64 mph
66.67 mph

Working together, Jose and Jane can complete an assigned task in 20 days. However, if Jose worked alone and completed half the task and then Jane takes over and completes the second half, the task will be completed in 45 days. How long will Jose take to complete the task if he worked alone? Assume that Jane is more efficient than Jose.
25 days
30 days
60 days
65 days
36 days

A can complete a project in 20 days and B can complete the same project in 30 days. If A and B start working on the project together and A quits 10 days before the project is completed, in how many days will the project be completed?
18 days
27 days
26.67 days
16 days
12 days

Ram, who is half as efficient as Krish, will take 24 days to complete a task if he worked alone. If Ram and Krish worked together, how long will they take to complete the task?
16 days
12 days
8 days
6 days
18 days

Three years back, a father was 24 years older than his son. At present the father is 5 times as old as the son. How old will the son be three years from now?
12 years
6 years
3 years
9 years
27 years

The basic one-way air fare for a child aged between 3 and 10 years costs half the regular fare for an adult plus a reservation charge that is the same on the childs ticket as on the adults ticket. One reserved ticket for an adult costs $216 and the cost of a reserved ticket for an adult and a child (aged between 3 and 10) costs $327. What is the basic fare for the journey for an adult?
$111
$52.5
$210
$58.5
$6

A childrens gift store sells gift certificates in denominations of $3 and $5. The store sold m $3 certificates and n $5 certificates worth $93 on a Saturday afternoon. If m and n are natural numbers, how many different values can m take?
5
7
6
31
18

What is the largest integral value of k for which the quadratic equation x2 - 6x + k = 0 will have two real and distinct roots?
9
7
3
8
12

If one of the roots of the quadratic equation x2 + mx + 24 = 0 is 1.5, then what is the value of m?
-22.5
16
-10.5
-17.5

y = x2 + bx + 256 cuts the x axis at (h, 0) and (k, 0). If h and k are integers, what is the least value of b?
-32
-256
-255
-257
0