The sum of a fraction and 3 times its reciprocal is 19/4. What is the fraction?
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(251+252+253+254+255) is divided by
A student multiplied a number by 6/7 instead of 7/6. What is the percentage error in the calculation?
What will come in the place of question mark (?) in the following question (You do not have to calculate the exact value)?
√(3099.985 ÷ 62.001 + 14.001) = ?
Ans. √(3100 ÷ 62 + 14) = ?√(50 + 14) = ?√64 = ?? = 8
If a person has sold an article for Rs. 1300 and made a profit of 30%, find the cost price of the article.
A superfast Duronto express running at 90 kmph overtakes a bike running at 36 kmph in 25 seconds. What is the length of the train in meters?
If P = 7 + 4√3 and PQ = 1, then what is the value of (1/P2) + (1/Q2)?
P(3,1) and R(-7,5) are vertices of a rhombus PQRS. What is the equation of diagonal QS?
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