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Practice Mathematical operation Questions and Answers

By interchanging the given two numbers (not digits), which of the following equations will be correct? 24 and 9 I. 113 + 24 – 20 × 9 ÷ 12 = 82 II. 19 �...
If A denotes ‘addition’, B denotes ‘multiplication’, C denotes ‘subtraction’, and D denotes ‘division’, then what will be the value of the ...
Select the correct combination of mathematical signs that can sequentially replace the sign * and make the equation correct. 3 * 12 * 4 * 5 * 4 * 116...
If ‘L’ denotes ‘addition’, ‘M’ denotes ‘multiplication’, ‘N’ denotes ‘subtraction’, ‘P’ denotes ‘division’, then what will ...
By interchanging the given two numbers (not digits), which of the following equations will be correct? 24 and 15 I. 113 + 24 - 17 X 15 ÷ 6 = 60 II....
What will be the value of expression if the numbers/digits ‘(42)’ and ‘(16)’ are interchanged? 16 - 32 ÷ 8 × 12 + 11 + 42...
If A denotes ‘addition’, B denotes ‘multiplication’, C denotes ‘subtraction’, and D denotes ‘division’, then what will be the value of the ...
Select the correct combination of mathematical signs that can sequentially replace ‘*’ sign and balance the equation given below. 54 * 2 * 4 * 15 * 16 ...
157 + 256 – 88 ÷ 8 × 4 = 117
After interchanging the given two signs and two numbers, what will be the value of the following expression? ÷ and +; 6 and 25 8 ÷ 42 + 25 × 16 – 6 = ...
If ‘P’ means (÷), ‘Q’ means (×), ‘R’ means (+), and ‘S’ means (-), then what is the value of the expression: 840 P 14 R 32 Q 8 S 99 R 20...
By Interchanging the given two numbers which of the following equation will be correct? 1 and 6 I. 7 – 5 + 1 × 3 ÷ 6 = 2...
By interchanging which two signs the question will be correct? 15 + 5 ÷ 2 – 9 × 3 = 22
In a certain code of language, ‘+’ represents ‘x’, ‘-‘ represents ‘+’, ‘x’ represents ‘÷’ and ‘÷’ represents ‘-‘ what is ...
Which of the following mathematical operator are placed in place of alphabet given in the equation to make it true? 54 a 7 c 9 f 45 h 12 j 15...
If 'A' means (+), 'B' means (-), 'C' means (÷), and 'D' means ( X ), then what is the value of the following expression? 124 A 248 C 31 B 15 D 7 ...
If A denote ÷, B denotes x, C denotes + and D denotes -, what is the value of the given expression? 32 B 40 A 8 C 10 D 12
If ‘+’ means ‘÷’, ‘×’ means ‘−’, ‘÷’ means ‘+’ and ‘−’ means ‘×’, then what will come in place of the question mark...
Select the correct combination of the mathematical signs to replace the ‘@’ symbols in the below equation and thereby balance it: 81@9@5@30@10@3@45...
In a certain code language, '+' represents '-', '-' represents 'x', 'x' represents '÷' and '÷' represents '+'. Find out the answer to the following quest...
If ‘@’ means (×), ‘$’ means (-), ‘#’ means (÷), and ‘%’ means (+), then what is the value of the expression: [32 % {(49 # 7) $ 7} @ 6]...
If ‘+’ means ‘-’, ‘×’ means ‘+’, ‘-’ means ‘÷’ and ‘÷’ means ‘×’, then, what is the value of the following expression?�...
Which sequence of mathematical symbols among given sequences must be inserted in place of the (?) in order to obtain the desired result? (250 ? 75) ? 7 ? 6...
If ‘P’ means (÷), ‘Q’ means (×), ‘R’ means (+), and ‘S’ means (-), then what is the value of the expression: 44 S 96 P 12 R 11 Q 8 S 40...
Select the odd group of numbers.(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits....
If '@' denotes 'addition', '#' denotes 'subtraction', '$' denotes 'multiplication' and '%' denotes 'division', then what will be the value of the following...
What will be the value of the given expression after the following interchanges? Expression: 324 + 22 - 7 X 4 ÷ 36 - 28 Interchanges: Sign: '+' and '÷' N...
Which two signs should be interchanged to make the below equation mathematically correct? 9 ÷ 3 + 6 – 6 × 2 = 30
A cheetah can catch a deer running with a speed of 126 km/h and is 55 meters ahead of it, in 11 seconds. Find the time taken by the cheetah to catch a zebr...
Monthly income of A is Rs. 6000 and he saves 25% of his monthly income. If monthly expenditure of A is decreased by 35% while his monthly savings is increa...
If '+' means '-', ' X ' means '+', '-' means '÷' and '÷' means ' X ', then what is the value of the following expression? 912 - 8 + 211 X 14 ÷ 15 + 52 -...
Select the correct combination of mathematical signs that can sequentially replace the $ signs and make the equation correct. 252 $ 28 $ 17 $ 8 $ 24 $ 121...
Select the set in which the numbers are related in the same way as are the numbers of the following set. (NOTE: Operations should be performed on the whol...
If '+' means '-', ' X ' means '+', '-' means '÷' and '÷' means ' X ', then what is the value of the following expression? 648 - 9 + 118 X 15 ÷ 12 + 780 ...
Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation. 400 * 100 * 25 * 15 * 12 = 452
If '+' means '÷', '-' means ' X ', ' X ' means '+', '÷' means '-', what will come in place of the question mark(?)? 34 X 272 + 34 - 8 ÷ 25 = ?...
A $ B means A X B, A & B means A - B, A % B means A ÷ B and A # B means A + B, then what is the value of 320 & 80 # 120 % 24 $ 50?
If '+' means '-', 'X' means '+', '-' means '÷', and '÷' means 'X', then what is the value of the following expression? 72 - 9 + 16 X 8 ÷ 4 X 12...
If '+' means '-', '×' means '+', '-' means '÷', and '÷' means '×', then what is the value of the expression ' 100 - 10 + 30 × 5 ÷ 2 × 10' ?...
Read the directions carefully and answer the following questions. If ' + ' means '-', ' × ' means '+', ' - ' means '÷', and ' ÷ ' means '×', then wh...

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