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Sample question of Approximation for IBPS PO Prelims 2016- Set 1

Aug 2, 2016 18:27 IST

    The online examination (Preliminary and Main) for the next Common Recruitment Process for selection of personnel for Probationary Officer/ Management Trainee posts in the Participating Organisations is tentatively scheduled in October / November 2016. Here the banking team of jagran josh is providing sample questions of approximation s that will be useful for the candidates appearing for IBPS PO examination 2016. The questions are prepared on the pattern of question asked in the previous year.

    Direction (Q.1 to 10): In each of the following questions there are five choices, select the correct answer in place of ?

    1. (655% of 223) ÷ 666 = ?

    (a) 5

    (b) 2

    (c) 19

    (d) 26

    (e) 29

    Answer: (b)

    Explanation:

                    ? = ( 655% × 223 )÷ 666

                    = 2.19 ≈ 2 (approx.)

    Category: Simplification

    2. 623.529 + 49.1972 × 20.689 – 68.571 = ?

    (a) 27200

    (b) 600

    (c) 12800

    (d) 2550

    (e) 1573

    Answer: (e)

    Explanation:

                    ? = 623.529 + 49.1972 × 20.689 – 68.571

                    = 623.529 + 1017.84087 – 68.571

                    = 1572.79887 ≈ 1573 (approx..)

    Category: Simplification

    3. 552.645 + 45.2383 × 77.808 – 48.856 = ?

    (a) 4024

    (b) 5567

    (c) 4022

    (d) 2756

    (e) 2830

    Answer: (a)

    Explanation:

                    ? = 552.645 + 45.2383 × 77.808 – 48.856

                    = 552.645 + 3519.90165 – 48.856

                    = 4072.54665-48.856

                    = 4023.69065 ≈ 4024

    Category: Simplification

    4. (7864 + 4545 + 9401) ÷ (610 + 926 + 575) =?

    (a) 42

    (b) 10

    (c) 22

    (d) 6

    (e) 14

    Answer: (b)

    Explanation:

                    (7864 + 4545 + 9401) ÷ (610 + 926 + 575) = 21810 ÷ 2111

                    = 10.3315 ≈ 10

    Category: Simplification

    5.

    (a) 256

    (b) 289

    (c) 155

    (d) 19

    (e) None of these

    Answer: (e)

    Category: Simplification

    Click here to check pattern and question break up of IBPS PO 2015

    Sample question of Approximation

    6. {(45)2 + (55)2} ÷ ? = 25

    (a) 225

    (b) 249

    (c) 434

    (d) 202

    (e) None of these

    Answer: (d)

    Explanation:

                    ? = {(45)2 + (55)2} ÷ (5)2 

                    ={ (45)2 ÷ (5)} + { (55)2 ÷ (5)2 }

                    = 92 + 112 = 81 + 121 = 202

    Category: Simplification

    7. 279.4 × 912.8 × 7298.1 = 81?

    (a)34.6

    (b) 12.2

    (c) 24.4

    (d) 25.6

    (e) None of these

    Answer: (d)

    Explanation:

                    279.4 × 912.8 × 7298.1 = 81?

                    272×4.7 × 912.8 × 7298.1 = 81?

                    7294.7 × 912.8 × 7298.1 = 81?

                    7294.7+8.1 × 912.8 = 81?

                    (729 × 9)12.8 = 81?

                    (6561)12.8 = 81?

                    812×12.8 = 81?

                    8125.6 = 81?

                    ? = 25.6

    Category: Simplification

    8. 

    (e) None of these

    Category: Simplification

    9. 30.2 × 729 × 271.3 × 90.2 = 27?

    (a) 2.3

    (b) 3.2

    (c) 2.7

    (d) 2.2

    (e) None of these

    Answer: (e)

    Explanation:

                    30.2 × 729 × 271.3 × 90.2 = 27?

                    ⇒    30.2 × 36 × 33.9 × 30.4 = 33(?)

                    ⇒    0.2 + 6 + 3.9 + 0.4 = 3(?)

                    ⇒    10.5 = 3(?)          ∴ ? = 3.5

    Category: Simplification

           

                  (e) None of these

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