Question
A boy goes to school at 8 km/Hr and return at a speed of
7 km/hr. If he takes 15 hrs in all. Find the distance from his village to school?Solution
Let the distance from village to school be D km According to the question, ⇒ D/8 + D/7 = 15 ⇒ 15D/56 = 15 ⇒ D = 56 km
48Â Â Â Â 61 Â Â Â Â 76 Â Â Â Â 94Â Â Â Â 116 Â Â Â Â Â ?
5 10 40 80 320 640
4 a b c d e
Find the value of d.
...If  204    196       223   x  284
Then, what is the average of the numbers of the above series?
...30 29 91 446 ? 28217
D irection: Which of the following will replace ‘?’ in the following series.
543,’?’, 564 ,588, 660
...12             10            13                18.5                  25.50       �...
In the question, three series I, II and III are given. Find the value of x, y and z to establish the correct relation among them and choose the correct...
92,  51,  21,  13.5,  x,  4.25
find the value of (10x + x -5)?
9 16 56 318 2424 25070
...?, 8, 32, 72, 128, 200
