Bank PO Questions and Answers with Explanation, Job Roles

Q:

Find the wrong number in the given series.

8, 27, 125, 343, 1381

A) 27	B) 8
C) 343	D) 1381

Answer & Explanation Answer: D) 1381

Explanation:

Given series follows Cubes on Prime Numbers

i.e $2^{3}, 3^{3}, 5^{3}, . . .$ but $9^{3}$ is 1331

so 1381 is wrong

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Filed Under: Number Series
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157 108251

Q:

Select the four statements about Plasmodium that are true.

A) Inside an infected mosquito, haploid gametes fuse, forming a diploid zygote that develops into an oocyst

B) Plasmodium cells infect two specific types of cells in humans.

C) Inside an infected mosquito, haploid gametes fuse, forming a haploid zygote that develops into an oocyst.

D) When a mosquito bites a human with malaria, diploid Plasmodium cells enter the mosquito.

E) Plasmodium cells are transferred to humans through mosquito saliva.

F) The life cycle of Plasmodium involves only haploid forms.

G) The complete life cycle of Plasmodium requires two hosts.

A) A, B, E, G	B) A, C, F, G
C) B, C, D, F	D) None of the above

Answer & Explanation Answer: A) A, B, E, G

Explanation:

Plasmodium is a genus of unicellular eukaryotes that are obligate parasites of vertebrates and insects.

From the above given options, A, B, E, G are TRUE regarding Plasmodium.

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Filed Under: General Science
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41 108218

Q:

Choose the pure substance from the list below.

A) Sugar	B) Lemonade
C) Air	D) Sea water

Answer & Explanation Answer: A) Sugar

Explanation:

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Filed Under: Chemistry
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3 107907

Q:

Which are two chemicals used to purify water?

A) Chlorine & Fluorine	B) Fluorine & Iodine
C) Chlorine & Hydrogen peroxide	D) Fluorine & Iodine

Answer & Explanation Answer: C) Chlorine & Hydrogen peroxide

Explanation:

Removing the contaminents if any in the water which causes harm to our health is involved in the purifying of water.

This process involves chemicals. Chloramines, Hydrogen peroxide, Iodine are the chemicals which are used in purifying water.

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Filed Under: Chemistry
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1 106982

Q:

Simplify the following equation

55.55 + 155 + 15.55 + 0.5 + 0.05 = ?

A) 226.65	B) 196.55
C) 202.35	D) 216.66

Answer & Explanation Answer: A) 226.65

Explanation:

55.55 + 155 + 15.55 + 0.5 + 0.05 = ?

55.55

155.00

15.55

0.5

0.05

_______

226.65

_______

Hence, the value of the given equation 55.55 + 155 + 15.55 + 0.5 + 0.05 = 226.65.

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Filed Under: Simplification
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5 106384

Q:

Find the next number in te given series ?

5, 25, 61, 113, ...

A) 142	B) 181
C) 156	D) 179

Answer & Explanation Answer: B) 181

Explanation:

Here the series follow the rule that

$1^{2} + 2^{2} = 5$

$3^{2} + 4^{2} = 25$

$5^{2} + 6^{2} = 61$

$7^{2} + 8^{2} = 113$

SO NEXT IS, $9^{2} + 10^{2} = 181$

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Filed Under: Odd Man Out
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14 106318

Q:

Give the common name for the following compound

${({CH}_{3})}_{2} CH {CH}_{2} - Br$

A) Isobutyl bromide	B) Methyl bromide
C) Propyl bromide	D) Butyl bromide

Answer & Explanation Answer: A) Isobutyl bromide

Explanation:

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Filed Under: Chemistry
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7 105485

Q:

Find the odd number out of the following number series?

2 4 8 11.5 18.25 28.375

A) 18.25	B) 28.375
C) 11.5	D) 8

Answer & Explanation Answer: D) 8

Explanation:

Given number series follows a pattern that,

2

2 x 1.5 + 1 = 4

4 x 1.5 + 1 = 7 (not equal to 8)

7 x 1.5 + 1 = 11.5

11.5 x 1.5 + 1 = 18.25

18.25 x 1.5 + 1 = 28.375

Hence, the odd number in the given number series is 8.

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Filed Under: Odd Man Out
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17 104985

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