IBPS RRB PO Prelims 12 sep 2020 - Category wise Question and Answer Practice Test with Solutions & PDF

IBPS RRB PO PRACTICE TEST [1 - EXERCISES]

IBPS RRB PO Prelims 12 sep 2020

Directions:

What approximate value will come in place of the question mark (?) in the following question? (You are not expected to calculate the exact value)

[IBPS RRB (PO) Prelims 2020]

Question : 51 [IBPS-RRB-PO-Prelims-2020]

$√{784.01} × 7.142 + 351. 99 × 24. 98 % = ?$

a) 320

b) 400

c) 240

d) 284

e) 450

Answer »

Review »

Answer: (d)

? = √{784} × 7 + 352 × 25% = 28 × 7 + 88 = 196 + 88 = 284 Hence, the answer is D.

Question : 52 [IBPS-RRB-PO-Prelims-2020]

15.33² – 12.94² + 22.06² – 35.65 = ?

a) 720

b) 505

c) 402

d) 600

e) 300

Answer »

Review »

Answer: (b)

? = 15.33² – 12.94² + 22.06² – 35.65

= 15² – 13² + 22² – 35

= 225 – 169 + 484 – 35

= 505.

Hence, the answer is B.

Question : 53 [IBPS-RRB-PO-Prelims-2020]

24.002 × 14.005 – 7.775 × 5.964 = ?

a) 400

b) 350

c) 288

d) 220

e) 150

Answer »

Review »

Answer: (c)

? = 24 × 14 – 8 × 6

= 336 – 48 = 288

Hence, the answer is C.

Question : 54 [IBPS-RRB-PO-Prelims-2020]

257.12 + 187 .99 × ? = (49.98)² + 30.99

a) 8

b) 20

c) 24

d) 36

e) 12

Answer »

Review »

Answer: (e)

257.12 + 187 .99 × ? = (49.98)² + 30.99

⇒ 257 + 188 × ? = 2500 + 31

⇒ 188 × ? = 2274

⇒ x = 12

Hence, the answer is C.

Question : 55 [IBPS-RRB-PO-Prelims-2020]

$2.99/3.99$ x $3√{511.99}$ + 123.9% of 650.11 = ?

a) 600

b) 700

c) 750

d) 812

e) 1000

Answer »

Review »

Answer: (d)

$3/4$ x 8 + 124% of 650 = x

6 + 806 = x

812 = x

Hence, the answer is D.

IMPORTANT previous year question answers EXERCISES

Latest IBPS RRB PO Prelims Question Answer Key PDF, Test »

|||ibps rrb po prelims 12 sep 2020 qustion answer pdf free download

previous year papers CATEGORIES

» SBI CLERK

» IBPS PO

» IBPS RRB CLERK

» IBPS RRB PO

» RBI ASSISTANT

» SBI PO

» SSC CGL

» SSC CHSL

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