Aptitude - Arithmetical Ability

You Are Here :: Home > Arithmetical Ability > Surds and Indices- General Questions

 

25.

If 3(x-y)= 27 and 3(x+y)=243, then x is equal to                        
A. 0 B. 2
C. 4 D. 6



26.

If 5a = 3125, then the value of 5(a - 3) is:                        
A. 25 B. 125
C. 625 D. 1625



27.

If ax =b, by= c and cz= a, then the value of xyz is                        
A. 0 B. 1
C. 1/abc D. abc




28.

28. (1/216)-2/3 ÷ (1/27)-4/3 = ?                        
A. 3/4 B. 2/3
C. 4/9 D. 1/8



29.

49× 49× 49× 49 = ?                        
A. 4 B. 7
C. 8 D. 6



30.

(2n+4 -2.2n)/(2.2n+3) = 2-3 is equal to:                        
A. 2n+1 B. -2n+1 + 1/8
C. 9/8 - 2n D. 1



« prev

1

2

3

4

5

6

7

8

9

next »
 
 



© 2013 freshersindia.in ® | Copyrights | Terms & Conditions   Designed by Freshers India
Catch Us on