Operators Based Questions For IBPS Exams

Dear Reader,

Below are four problems dealing with BODMAS rule on basic calculations.

Question 1

If 'A’ denotes '/’, 'B’ denotes ‘X‘, 'C’ denotes ‘+‘; and ‘D’ denotes ‘-‘; then 52 C 24 A 3 D 7 B 6 is equal to :

a) 18 b) 110 c) 318 d) -114

Answer : a) 18

Solution :

Given expression is 52 C 24 A 3 D 7 B 6

Replacing the alphabets by corresponding operators, we have

52 + 24 / 3 - 7 X 6
By applying the BODMAS rule, we would have,

52 + (24/3) - 7 x 6
52 + 8 - (7x6)
18.

Hence the correct answer is option a.

Question 2

If 'P’ means '+’, 'Q’ means ‘-‘, 'R’ means ‘X‘; and ‘S’ means ‘/‘; then 54 S 9 R 3 Q 3 P 12 r 2 is equal to :

a) 54 b) 33 c) 42 d) 39

Answer : d) 39.

Solution :

Given expression is 54 S 9 R 3 Q 3 P 12 R 2

Replacing the alphabets by corresponding operators, we have

54 / 9 x 3 - 3 + 12 X 2

By applying the BODMAS rule, we would have,

(54/9) x 3 - 3 + 12 X 2
(6x3) - 3 + (12 X 2)
18-3+24
39.

Hence the answer is option d.

Question 3

If ? means '+’, '#’ means ‘-‘, '$’ means ‘X‘; and ‘’ means ‘/‘; then (9/17) ? (14/17) (28/51) # 3 $ (4/17) is equal to :

a) 12/17 b) 17/32 c) 8 d) none of these

Answer : d) none of these

Solution :

Given expression is (9/17) ? (14/17) (28/51) # 3 $ (4/17)

Replacing the symbols by corresponding operators, we have

(9/17) + (14/17) / (28/51) - 3 X (4/17)

By applying the BODMAS rule :

(9/17) + [(14/17) / (28/51)] - [3 X (4/17)]
(9/17) + [(14/17) x (51/28)] - [3 X (4/17)]
(9/17) + (3/2) - (12/17)
(3/2) - (3/17) = (51-6)/34 = 45/34.

Hence the required answer is option d.

Question 4

If 'A’ denotes '/’, 'B’ denotes ‘+‘, 'C’ denotes ‘X‘; and ‘D’ denotes ‘-‘; then (12% of 700) D (4% of 700) A 4 B (15% of 200) C 6 is equal to :

a) 210 b) 302 c) 257 d) none of these

Answer : c) 257

Solution :

Given expression is (12% of 700) D (4% of 700) A 4 B (15% of 200) C 6

Replacing the symbols by corresponding operators, we have

(12% of 700) - (4% of 700) / 4 + (15% of 200) X 6

(12% of 700) - (4% of 700) / 4 + (15% of 200) X 6
84 - (28/4) + (30x6)
84 - 7 + 180 = 257

Hence the answer is option c.


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