Practice Mathematical operation Questions and Answers

• 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
• What is the code for ‘it’?
• If in a certain code language ‘it hard’ is coded as ‘biv tik’, then which of the following is coded as ‘give and never’?...
• 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...
• Statements: B ≥ K ≤ C; Q > K > X; M = Q < P Conclusions: I. P > X II. C ≥ M
• Statements: V ≤ P < S = B; T < U ≤ I = B; N < J < T Conclusions: I. J > P II. N < S
• Statements: J > G = Y ≥ K = S; L < T = I ≤ P ≤ E = K Conclusions: I. G > T II. T = G
• Statements: A < B ≥ C > U = W; R < Q > L ≤ W = Y; Q > P Conclusions: I. B < P II. C > R
• Statements: O ≤ W ≥ B > A ≤ U; X< U ≤ L Conclusions: I) B > X II) W ≤ L
• 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' ?...
• If '+' means '-', 'X' means '+', '-' means '÷', and '÷' means 'X', then what is the value of the following expression? 120 - 10 + 60 X 5 ÷ 3 X 15...
• Read the directions carefully and answer the following questions. If ' + ' means '-', ' × ' means '+', ' - ' means '÷', and ' ÷ ' means '×', then wh...
• If ‘%’ means (÷), ‘#’ means (-), ‘@’ means (×), and ‘&’ means (+), then what is the value of the expression: 75 & 15 # 50 % 2 @ 3...
• If ‘A’ means (÷), ‘B’ means (×), ‘C’ means (+), and ‘D’ means (-), then what is the value of the expression: 28 B 3 C 30 A 6 D 10 B 4...
• After interchanging the given two signs, what will be the value of the given equation? + and ÷ 128 - 45 ÷ 72 + 9 X 11
• If 'A' means ' X ', 'B' means '÷', 'C' means '+' and 'D' means ' - ', then what will come in the place of '?' in the given expression? 200 B 8 C 14 A 6 D ...
• Given below an equation having four blanks you have to check from the alternatives which among the given is correct? 21 _ 51 _ 7 _ 12 _ 75
• If 'A' stands for '-', 'B' stands for '×', 'C' stands for '+', and 'D' stands for '÷', then what is the value of the following expression. 45 D 9 C 6 A 1...
• Select the correct combination of mathematical signs that can sequentially replace the sign * and make the equation correct. 5 * 14 * 6 * 8 * 9 * 502
• If ‘$’ means ‘÷’, ‘#’ means ‘-’, ‘!’ means ‘×’ and ‘^’ means ‘+’, then the value of 84 ! 5 # 6 ^ 21 $ 7 is...
• If '@' means '÷', '#' means ' X ', '$' means '+' and '%' means '-' then what would be the value of the expression given below? Expression: 25 # 5 % 180 @ ...
• Select the correct combination of mathematical signs that can sequentially replace the * signs and make the equation correct. 45 $ 5 $ 68 $ 17$ 12 = 37
• Which two signs should be interchanged to make the given equation correct? 11 – 22 + 30 × 25 ÷ 5 = 267