A group of soldiers was asked to fall in line making rows three.It was found that there was one soldier extra.Then they were asked to stand in rows of five.It was found there were 2 soldiers too many.they were three soldiers who could not be adjusted.At least how many soldeirs were there in the group?

The rest positions of the needles in a milliammeter and voltmeter when not being used in a circit are shown in the figure. The zero error and least count of these two instruments are

In a long distance race, the athletes were expected to take four rounds of the track such that the line of finish was same as the line of start. Suppose the length of the track was 200 m. What is the displacement of the athletes when they touch the finish line ?

The average time taken by a normal person to react to an emergency is one fifteenth of a second and is called the 'reaction time.' If a bus is moving with a velocity of 60 km/h and its driver sees a child running across the road, how much distance would the bus had moved before he could press the brakes ? The reaction time of the people increases when they are intoxicated. How much distance had. the bus moved if the reaction time of the driver were 1/2 s under the influence of alcohol?

Náme two groups of elements which were not known at the time when Mendeleev prepared the periodic table.

When a few drops of universal indicator were added to a dilute solution of HCl, it is observed that the colour of the solution changes from

When a few drops of universal indicator were added to a dilute solution of HCl, it is observed that the colour of the solution changes from

If one counts one for the thumb, two for the index finger, three for themiddle finger, four for the ring finger, five for the little finger and continuescounting backwards, six for the ring finger, seven for the middle finger,eight for the index finger, 9 for the thumb, ten for the index finger, elevenfor the middle finger, twelve for the ring finger, thirteen for the littlefinger, fourteen for the ring finger and so on. Which finger will be countedas one thousand?

There are two factories located one at place P and the other at place Q. From these locations, a certain commodity is to be delivered to each of the three depots situated at A, B and C. The weekly requirements of the depots are respectively 5,5 and 4 units of the commodity while the production capacity of the factories at P and Q are respectively 8 and 6 units. The cost of transportation per unit is given below : How many units should be transported from each factory to each depot in order that the transportable cost is minimum. When will be the minimum transportation cost?