Instructions

Study the following information and answer the questions given below it.

A blacksmith has five iron articles M, N, O, P and Q each having a different weight.

• M weighs twice as much as N.

• N weighs four and a half times as much as O.

• O weighs half as much as P.

• P weighs half as much as Q.

• Q weighs less than M but more than O.

Instructions

For the following questions answer them individually

Question 4

The difference between the simple and compound interest on a certain sum for 3 years at 10% p.a. is ` 46.5, then which of the following is the sum?

Question 5

By selling 18 chocolates, a vendor loses the selling price of 2 chocolates. Find his loss percent:

Question 6

The length, breadth and height of a room in the shape of a cuboid is increased by 10%, 20% and 50% respectively. Find the percentage change in the volume of the cuboid:

Question 7

Keshav is travelling by car at the rate of 40 km/h. After 80 km he rests for 20 minutes. How long will he take to cover a distance of 240 km:

Question 8

A job has to be completed by 12 boys in 15 days. If three boys are absent from the first day, then by what percentage should the remaining boys increase their rate of working to complete the job?

Question 9

The income of Anil, Firoz and Ketan are in the ratio 7:9:12 and their spending are in the ratio 8:9:15. If Anil saves 1/4 of his income, then the saving of Anil, Firoz and Ketan are in the ratio:

Question 10

Ramesh started a business with a capital of ₹ 2100. After 4 months he admitted another partner Sujeet. What amount should Sujeet put in, So that the profit may be divided equally at the end of the year?