General Test - ...

Two horses P and Q are running at a certain point at the speed of 15 km/hr and 17 km/hr respectively. What is the distance between them after 5 hrs if they running in the opposite directions?

If a boat walks smoothly along the streamline, the distance of $36$ km is completed in $3$ hours. While returning, it completes the same distance in $9$ hours. So what is the speed of the boat?

A train 'B' speeding with 100 km/hr crosses another train C, running in the same direction, in 2 minutes. If the length of train B and C be 150 m and 250 m respectively, what is the speed of train C (in km/hr)?

If (x – 4) and (x + 6) are the factors of equation x² + ax + b = 0 then find the value of (a – b)?

Simplify:

\(1.45 \div 2.9 \times 4.11+1.002-.005+.98\)

The average price of 20 books is Rs. 14, while the average price of 18 of these books is Rs. 13. Out of the remaining two books, if the value of one book is 21.05% of the other, what will be the value of each of these two books?

Which of the following is not the additive inverse of a?

A 460 litre of the mixture contains milk and water in the ratio 11 ∶ 12. How much milk must be added to the mixture so that it contains milk and water in the proportion of 3 ∶ 2. (In liters)

The probability of getting a number on a roll of one die having total of 6 outcomes is p. A pair of die is rolled. The mean is equal to 0.5. Find the probability of not getting number 5 on at most one die on roll of the pair of dice. 

Which of the following condition is TRUE about the similarity of triangle ABC and DEF given below?