Aptitude - Arithmetical Ability

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7.

(17)3.5 ×(17)? = 178                        
A. 2.29 B. 2.75
C. 4.5 D. 4.75



8.

49 x 49 x 49 x 49 = ?                        
A. 4 B. 7
C. 8 D. 16



9.

                        
A. 1/2 B. 1
C. 2 D. 7/2




10.

(243)n/5 x 32n + 1                        
A. 1 B. 2
C. 9 D. 3n



11.

The value of[(10)150 ÷(10)146] is                        
A. 1000 B. 10000
C. 100000 D. 10^6



12.

12. The value of 51/4 * (125)0.25 is:                        
A. v5 B. 5v5
C. 5 D. 25



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