The size of a bag that could hold 5 kg of sugar has now been increased so that it can hold 6 kg. What is the percentage increase in size?

By increasing the cost of entry ticket to a fair in the ratio 10 : 13 , the number of visitors to the fair has decreased in the ratio 6 : 5 . In what ratio has the total collection increased or decreased ?

The price of a scooter was Rs 34,000 last year. It has increased by 20% this year. What is the price now?

A wire of length 108 cm produces of fundamental note of 256Hz when stretched by a weight of 1kg. By how much its length should be increased so that its pitch is raissed by a major tone, if it is now stretched by a weight of 4kg?

Given that the displacement of the body in meter is a function of time as follows x=2t^(4)+5 The mass of the body is 2 kg. What is the increase in its kinetic energy one second after the start of motion?

The plans for a diving pool call for a rectanglular prism that has a length of 30 meters, a width of 25 meters, and a depth of 5 meters. If the plans are changed to increase both the length and the width of the pool by 10%, what will be the increase, to the nearest 1%, in the volume of the pool?

A copper bar of mass 1.5 kg is heated at atmospheric pressure. Its temperature is increased from 30 ^(@)C to 60^(@)C (i) What is the work done by the copper ? (ii) Calculate the amount of heat energy transferred to the copper. (iii) What is the increase in internal energy of the copper ? Coefficient of volume expansion of copper is 5.1 xx 10 ^(-5) (""^(@)C) ^(-1). Density of copper is 8.92 xx10 ^(3) kg//m ^(3). Specific heat capacity of copper is 387 J kg ^(-1) K ^(-1) .

(a) A 10-kg block is supported by cord that runs to a spring scale, which is supported by another cord from the ceiling as shown in fig. What is the reading on the scale? (b) In Fig. the block is supported by a cord that runs around a pulley and to a scale. The opposite end of the scale is attached by a cord to a wall. What is the reading of the scale? (c ) In fig. the wall has been replaced with a second 10-kg block, what is the reading on the scale now? .

The salary of an officer has been increased by 50%. By what percent the new salary must be reduced to restore the original salary?

A bady increases in weight from 5.58 kg to 6.16 kg . How much weight has the bady gained ?

According to Fajans'rules, the percentage of covalent character in an ionic compound increase if the cation is highly charged or small in size and the anion is large or cation has pseudoinert gas configuration. As a result of the increased covalent character, solubility in less polar solvent increases and the melting point decreases. The correct order of increasing ionic character is