In an examination, 35% of total students failed in Hindi, 45% failed in English and 20% failed in both. Find the percentage of those studnets who passed in both the subjects ?
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If secA + tanA = x, then the value of x is
If a - b = -5 and a2+b2=73, then find ab.
(251+252+253+254+255) is divided by
If a + b = 3 and ab = -4, then what is the value of a3 + b3?
Select the odd word from the given alternatives.
Sashi can do a piece of work in 20 days. Tanya is 25% more efficient than Sashi. The number of days taken by Tanya to do the same piece of work is:
The sum of a fraction and 3 times its reciprocal is 19/4. What is the fraction?