Mathematics Multiple Choice questions

If 2x + 3y = 12 and 3x - 2y = 5, then x and y must have the values :

A. 2 and 3

B. 2 and -3

C. 3 and -2

D. 3 and 2

E. None of the above

View Answer View Explanation

D. 3 AND 2

Posted in: Linear Equations - Algebra - Mathematics

What value will replace the question mark in the following equations ?
-> ? - 1936248 = 1635773

A. 3572021

B. 4251255

C. 300475

D. 324725

E. None of the above

View Answer View Explanation

A. 3572021

Posted in: Numbers - Arithmetic - Mathematics

60 men undertook to finish a work in 62 days. They finished $2/3$ of the work in 32 days. How many men are required to finish the remaining work ?

A. 32 men

B. 30 men

C. 36 men

D. 40 men

E. None of the above

View Answer View Explanation

A. 32 MEN

Posted in: Time & Work - Aptitude - Mathematics

The least prime number is :

A. 0

B. 1

C. 2

D. 3

E. None of the above

View Answer View Explanation

C. 2

Posted in: Numbers - Arithmetic - Mathematics

The average speed of a train in the onward journey is 25% more than that in the return journey. The train halts for one hour on reaching the destination. The total time taken for the complete to and from journey is 17 hours, covering a distance of 800 km. The speed of the train in the onward journey is:

A. 45 km/hr

B. 48 km/hr

C. 56.25 km/hr

D. 55 km/hr

E. None of the above

View Answer View Explanation

C. 56.25 KM/HR

Posted in: Time, Distance and Speed - Aptitude - Mathematics

If 2x + 3y = 12 and 3x - 2y = 5, then x and y must have the values :

What value will replace the question mark in the following equations ?-> ? - 1936248 = 1635773

60 men undertook to finish a work in 62 days. They finished $2/3$ of the work in 32 days. How many men are required to finish the remaining work ?

The least prime number is :

What value will replace the question mark in the following equations ?
-> ? - 1936248 = 1635773