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More Algebra Questions
- Question 1
- A man running at the speed of 6 kmph was over taken by the train moving with the speed of 78 kmph in 20 seconds. Find the length of train.
- (408 × 680)÷(20% of 680) = (250 × 260)÷ 10 + ? – 4500
- If a + b + c = 8, a² + b² + c² = 18 and ab + b c+ ca = 12, then what is the value of a³ + b³ +c³ –3abc?
- If 'x' = √5, then find the value of (x - 2)² + (x + 2)².
- If x + 1/x = 2, find x⁷ + 1/x⁷.
- If p = 34 - q - r and pq + r(q + p) = 289, then find the value of (p² + q² + r²).
- If there are a total of 1000 students in the school, how many students prefer Mathematics and science?
- Question 9
- If x + y + z = 9 and (x2 + y2 + z2) = 21, then find the value of (xy + yz + zx)
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