# Simplification Questions and Answers : Quantitative Aptitude

1. 11.    If 13 + 23 + ..... + 93 = 1025 then the value of (0.07)3 + (0.14)3 + (0.21)3 + ..... +(0.63)3 Is close to

 A.) 0.351575 B.) 0.251575 C.) 2.515575 D.) 3.51575
Answer: Option 'A'

2. 12.   If X = 2 + 1/(1+1/(1-1/2))then the value of 4x+7/3

 A.) 11 B.) 34/3 C.) 11 2/3 D.) 5
Answer: Option 'C'

X = 2 + 1/(1+1/(1-1/2))

= 2 + 1/(1+2)

= 2 + 1/3

X = 7/3 ==> 4X + 7/3 => 4(7/3) + 7/3

==> 28/3 + 7/3

==> 35/3

==> 11 2/3.

3. 13.   (121)1/6 is equal to

 A.) 1 B.) √11 C.) 11 D.) ∛11
Answer: Option 'D'

(121)1/6

=>(112)1/6

=> 11 2/6

=> 111/3

=> ∛11

4. 14.  Find the value of (27/343)−2/3

 A.) -(9/49) B.) 49/3 C.) 5 4/9 D.) 49
Answer: Option 'C'

(27/343)−2/3

(3/7)−2

(7/3)2

49/9

5 4/9.

5. 15.   Find the value of (√1.21)/(√0.81) + (√1.44)/(√0.49) is

 A.) 181/63 B.) 185/61 C.) 185/63 D.) 181/61
Answer: Option 'C'

(√1.21)/(√0.81) + (√1.44)/(√0.49)

11/9 + 12/7 => (77 + 108)/63 => 185/63

Quantitative Aptitude Topics

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