Arithmetic Problems To Prepare For IBPS PO Exam

Dear Reader,
Below are four problems on numbers dealing with the arithmetic calculations.

Question 1

Which of the following expression is equal to 13786?

a) 8459 + 4617 + 2714 - (713x9)
b) 8594 + 4167 + 2417 - (731x8)
c) 8495 + 4716 + 2714 - (713x3)
d) 8549 + 4761 + 2147 - (713x8)

Answer : c) 8495 + 4716 + 2714 - (713x3).

Solution:

From option a,
Given, 8459 + 4617 + 2714 - (713x9) = 15790 - 6417 = 9373 which is not equal to 13786.
From option b,
Given, 8594 + 4167 + 2417 - (731x8) = 15178 - 5848 = 9330 which is not equal to 13786.
From option c,
Given, 8495 + 4716 + 2714 - (713x3) = 15925 - 2139 = 13786 which is equal to the given value.
Hence the answer is option c.

Question 2

Which of the following is equal to 3002?

a) -48 x 39 + 5016
b) -41 x 29 + 5084
c) -40 x 19 + 5853
d) none of these.

Answer : d )none of these.

Solution:

From option a,
Given, -48 x 39 + 5016 = -48(40-1) + 5016 = -1920 + 48 + 5016 = 3144 which is not equal to 3002.
from option b,
Given, -41 x 29 + 5084 = -41(30-1) + 5084 = -1230 + 41 + 5084 = 3895 which is not equal to 3002.
From option c,
Given, -40 x 19 + 5853 = -40(20-1) + 5853 = -800 + 40 + 5853 = 5093 which is not equal to 3002.
Therefore, none of the given options is equal to 3002.
Hence the answer is option d.

Question 3

Which of the following is equal to 15318 ?

a) 21101 + 2407 - 1598 - 6939
b) 21000 + 2074 - 1895 - 6993
c) 21891 + 2157 - 1913 - 6817
d) 21731 + 2890 - 1816 - 6718

Answer : c) 21891 + 2157 - 1913 - 6817

Solution :

From option a,
Given, 21101 + 2407 - 1598 - 6939 = 23508 - 8537 = 14971 which is not equal to 15318.
From option b,
Given, 21000 + 2074 - 1895 - 6993 = 23074 - 8888 = 14186 which is not equal to 15318.
From option,
Given, 21891 + 2157 - 1913 - 6817 = 24048 - 8730 = 15318 which is equal to the given value.
Hence the answer is option c.

Question 4

Which of the following is equal to 125802 ?

a) 3007314 - 2908113
b) 3097383 - 2807016
c) 3097383 - 2816032
d) 3029613 - 2903811

Answer : d) 3029613 - 2903811

Solution :

From option a,
Given, 3007314 - 2908113 = 99201 which is not equal to 125802.
From option b,
Given, 3097383 - 2807016 = 290367 which is not equal to 125802.
From option c,
Given, 3097383 - 2816032 = 281351 which is not equal to 125802.
From option d,
Given, 3029613 - 2903811 = 125802 which is equal to the given value.
Hence the answer is option d.


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