The Speed of boat in still water is 20 km/hr. It covers (upstream) a distance of 90 km in 12 hours. The speed of the stream is
If + means divide, × means -, ÷ means multiply and – means plus, then find the value of 9 + 3 ÷ 4 - 8 × 2
What is the difference between (in m2) the area of a circular field of radius 28 metres and area of a rectangular piece of land having its di...
A circular field has a circumference of 264 meters. Calculate the area of this field. {Take π = (22/7)}
A, B, and C can each complete a certain work individually in 35 days, 20 days, and 28 days, respectively. If B and C work together for x days, and th...
If '+' means '-' , '-' means 'x' , 'x' means '÷' , '÷' means '+' , then what will be the value of ' 67 ÷ 28 + 600 x 50- 10 ' = ?
...If x + 1/x = 2 then find x32 + 1/(x32)
If x + (1/x) = 9 then x2 + 1/x2 = ?
There are five friends, P, Q, R, S and T. P says to Q, “If you give me Rs 300, you will have as many as I have at this moment. If S takes Rs 500 f...
Which of the following will be the second last word when arranged according to the English Alphabetical Dictionary?