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If X stands for addition, V stands for substraction, U stands for 'equal to',  ∧ stands for division, ∑ stands for multiplication, O stands for greater than and σ stands for less than. State which expression is true?
If "x" stands for addition, "<" stands for subtraction, " + " stands for division, ">" stands for multiplication, " – " stands for equals to, "÷" stands for greater than and " = " stands for less than, which of the following holds true?
If '+' stands for '÷', '­' stands for '=', 'x' stands for '+', '÷'stands for greater than, '=' stands for less than, '>' stands for multiplication and '<' stands forsubtraction, then which of the following alternatives is correct?
If "x" stands for addition, "<" stands for subtraction, "+" stands for division, ">" stands for multiplication, "–" stands for equals to, "÷" stands for greaterthan and "=" stands for less than, which of the following holds true?
In a survey of 25 students, it was found that 15 had taken Mathematics, 12 had taken Physics and 11 had taken Chemistry, 5 had taken Mathematics and Chemistry, 9 had taken Mathematics and Physics, 4 had taken Physics and Chemistry and 3 had taken all the three subjects. Find the number of students who had taken both Physics and Chemistry but not Mathematics.
In a survey of university students, 64 had taken Drama course, 94 had taken Dance course, 58 had taken a Singing course, 28 had taken Drama and singing course, 26 had taken Drama and dance course, 22 had taken Dance and singing course, and 14 had taken all the three courses. Find how many have taken only one course?
A rider is riding his bike along the sides of a square ground. He drives the bike with the speed of 10 km/h along one side, 15 km/h along another side, 18 km/h along the third side, and 20 km/h along the last side and reaches the starting point. What is the average speed of the bike along the sides of the ground?
Six persons A, B, C, D, E, and F stand in a queue from top to bottom and live in different cities. Topmost position is number 1 and bottom most is number 6. D lives in Delhi and stands immediately below the person who lives in Haryana. C lives in Kolkata and at the 4th place. E stands two places after C. Person who lives in Chennai stands between the persons who live in Kolkata and Delhi. B lives in Goa and stands three places after D. Person who lives in Mumbai stands three places after A. What is the position of the person who lives in Chennai from the top?
If ‘→’ stands for ‘+’, ‘←’ stands for ‘−’, ‘↑’ stands for ‘÷’, ‘↓’ stands for ‘×’, ‘↗’ stands for ‘=’, which one, of the following statements is correct?
If ‘←’ stands for ‘+’, ‘→’ stands for ‘-‘, ‘↑’ stands for ‘÷’, ‘↓’, stands for ‘x’, ‘^’ stands for ‘=’, then which of the following alternatives is correct? A. 3 ↓ 6 ↑ 2 ← 3 → 6 ^ 5 B. 2 ↓ 5 → 6 ← 2 ^ 6 C. 7 → 43 ↑ 6 ↓ 1 ^ 4 D. 5 ← 7 → 3 ↑ 2 ^ 4