UBI Aptitude and Reasoning for PO and Specialists officers exam

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Union Bank of India UBI-Aptitude and Reasoning model questions with answers for practice Union Bank of India UBI-Specialists officers upcoming written test examination model  quantitative aptitude questions for practice. For UBI Probationary clerks and specialists officers examination consists Aptitude, Reasoning, numerical ability, and general awareness current affairs. UBI specialists officers 2013-2014  recruitment notifications explains that 50 questions carrying 50 marks Learn and practice UBI largest collection of previous years free solved sample placement papers of  aptitude and reasoning questions with detailed explanations with latest current affairs updations

 Directions (1-10) :What should come in place of the question mark (?) in the following questions ?

 1. 38% of 4500 - 25% of ? = 1640

(1) 260

(2) 270

(3) 280 (Ans)

(4) 290

(5) None of these

Explanations :  4500 * 38/100 - x * 25/100 = 1640

⇒    1710 - 1640 = x/4

⇒    x/4 = 70

⇒    x = 280

2. (?)² + 15² - 33² = 97

(1) 33

(2) 32

(3) 34

(4) 30

(5) None of these  (Ans)

Explanations :  x² + 15² - 33² = 97

⇒    x² =  97 + 1089 - 725

⇒    x² =  1186 - 225 = 961

⇒    x = 31

3.  (7921 + 178) - 5.5 = √?

(1) 1512

(2) 1521 (Ans)

(3) 1251

(4) 1531

(5) None of these

Explanations :  7921 / 178 - 5.5 = √x

44.5 - 5.5 = = √x

⇒    39.0 = √x

⇒    x = 1521

4.  9/10  +  3/11  + 7/15  = ?

(1) 1  217/330

(2) 1  221/330

(3) 1  211/330 (Ans)

(4) 1  197/330

(5) None of these

Explanations :    9   +  3  +   7   = 297 + 90 + 154  =   541  
                       10      11     15             330                 330

= 1   211   
        330

5.  1/4th of 1/2 of 3/4th of  52000 = ?

(1) 4875  (Ans)

(2) 4857

(3) 4785

(4) 4877

(5) None of these

Explanations :  52000 * 3/4 * 1/2 * 1/4 = 4875

6.  57/67 * 32/171 * 45/128 = ?

(1) 15/262

(2) 15/268  (Ans)

(3) 15/266

(4) 17/268

(5) None of these

Explanations :  57/67 *  32/171 * 45/128 = 15/268

7.  283 * 56 + 252 = 20 * ?

(1) 805  (Ans)

(2) 803

(3) 807

(4) 809

(5) None of these

Explanations :  283 * 56 + 252 = 20*x

⇒    15848 + 252 = 20*x

⇒    x = 16100/20

⇒    x = 805

8. (5863 - √2704) * 0.5 = ?

(1) 2955.5

(2) 2905.5  (Ans)

(3) 2590.5

(4) 2909.5

(5) None of these

Explanations :  (5863 - √2704) * 0.5

= 2905.5

9. 3√42875 - ? = 21

(1) 18

(2) 13

(3) 15

(4) 11

(5) None of these   (Ans)

Explanations : √42875 - x = 21

35 - x = 21

x = 14

10. 25639 - 5252 - 3232 = ?

(1) 17255

(2) 17551

(3) 17515

(4) 17155  (Ans)

(5) None of these

Explanations :  25639 - 5252 - 3232 - 25639 -8484  =  17155