Aptitude - Arithmetical Ability

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13.

Find the quotient: (i) 0.63 / 9(ii) 0.0204 / 17 (iii)3.1603 / 13?                          
A. (i)0.6(ii)0.0011(iii)0.2430 B. (i)0.7(ii)0.0012(iii)0.2431
C. (i)0.7(ii)0.0112(iii)0.1431 D. (i)0.8(ii)0.0012(iii)0.1431



14.

the expression(11.98 * 11.98 + 11.98 * x + 0.02*0.02) will be perfect square of x if x equal to . ?                          
A. 0.02 B. 0.04
C. 0.2 D. 0.4



15.

find x/y = 0.04/1.5 = 4/150 =2/75 find y-x/y+x (1- x/y) / (1+ x/y) 1 - 2/75 /1 +2/75 =73/77 18.0.3467+0.1333?                          
A. 0.134 B. 0.4305
C. 0.4301 D. 1.023




16.

13 +23+ ------------+93 =2025?                          
A. 2.695275 B. 2.589741
C. 2.36985 D. 2.10254



17.

What value will replace the question mark in the following equations ? 5172.49+378.352+?=9318.678 ?-7328.96+5169.38?                          
A. (i)3767.846(ii)12498.33 B. (i)3767.836(ii)12498.34
C. (i)3867.846(ii)13498.34 D. (i)3757.836(ii)12499.34



18.

What decimal of an hour is a second ??                          
A. .0025 B. .0256
C. .00027 D. 0.000126



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