(A) 10 m, North
(B) 10 m, South
(C) 10 m, West
(D) 10 m, East
Find the required ratio of milk to water for preparing the mixture if the ratio 4 : 1 contains the maximum amount of water and cannot be consumed.
A 1 : 2
B 4 : 2
C 4 : 3
D None of these
3 balls rotate along a circular track. Ball A makes one full rotation in 6 seconds. Ball B makes 9 seconds and ball C makes 12 seconds. If the three balls start rotating from the same point and at the same time now, after how many seconds will they all be at the same point again?
Three children walk together while going to school. Their steps measure 85 cm, 90 cm and 80 cm, respectively. At what distance from the starting point will they again start walking together?
A 13698 cm
B 12040 cm
C 12240 cm
D 10 cm
What is the smallest positive integer n such that the following product ends in six zeros?
16 × 34 × 75 × 21 × 13 × n
Two ants start at point A and walk at the same pace. One ant walks around a 3 cm by 3 cm square whilst the other walks around a 6 cm by 3 cm rectangle.
What is the minimum distance, in centimetres, any one must cover before they meet again?
A square lawn has a path 1 m wide that goes around it. If the area of the path is 40 m2 , then the area of the lawn, in m2 , is