A dealer bought an item at 10% discount on its original price. He sold it  at 35 % more than the original price. What percentage profit did he get?

A solid metallic sphere of radius x cm is melted and then drawn into 126 cones each of radius 3.5 cm and height 3 cm. There is no wastage of material in this process. What is the value of x?

Raju started business investing Rs. 75000. After 4 months Sanju joined the business with Rs. 112500. If at the end of the year total profit was Rs.4500, find Sanju’s share?

Find the greatest number that will divide 390, 495 and 300 without leaving a remainder. 

If the ratio of two numbers is 13 : 15 and their L.C.M. is 39780. Then the numbers are?

If cos θ = $${1\over \sqrt{10}}$$, then tan θ is equal to.

Direction: Bar graph given below shows number of pens and pencils sold by five different shops. Read the data carefully and answer the questions.

A man invested Rs. 9600 in two equal parts on SI for T years and (T + 2) years at the rates of 12.5% p.a and 16% p.a respectively. If the man got a total interest of Rs. 4272, then find the value of T.

A man goes downstream with a boat to some destination and returns upstream to his original place in 5 hours. If the speed of the boat in still water and the stream are 10 km/hr and 4 km/hr respectively, the distance of the destination from the starting place is :