How can u cut a big piece of cake into eight(8) pieces with only three cuts using a knife.

There are 9 balls of equal size and same weight(they look similar) except 1. How many weights required to find the dissimilar ball using a weighing balance?

there were 253 games played so that atleast two team from the group play each other. Find out the maximum no of team

The price of a product is reduced by 30% . By what percentage should it be increased to make it 100%

2435 ? 24 = 24? (a) 2.5 (b) 3.5 (c) 2 (d) 3 (e) None of these

In 1978, a kg of paper was sold at Rs25/-. If the paper rate increases at 1.5% more than the inflation rate which is 6.5% a year, then what wil be the cost of a kg of paper after 2 years? give me the steps plz......

if a car starts from A towards B with some velocity due to some problem in the engine afetr travelling 30 km .if the car goes 4/5 th of its of actual velociteythe car reaches B 45 min later to the actual time.if the car engine fails after travelling 45km the car reaches the destination B 36min late to the actual time ,wat is the initial velocity of car and what is the distance between A and B on km.

In a certain company 20% of the men and 40% of women attended the annual company picnic,If 35% of all the employess are men,what % of al the employee went to the picnic?

A traveler walks a certain distance. Had he gone half a kilometer an hour faster , he would have walked it in 4/5 of the time, and had he gone half a Kilometer an hour slower, he would have walked 2 ½ hr longer. What is the distance?

A person pays a tax of 10%,if his salary increases by 10% he need to pay a tax of 15%.The total gain he obtains after increment in salary is 350Rs .What is his salary?

A MAN'S SALARY IS INCREASED BY 1200 ,TAX IS DECREASED FROM 12% TO 10% BUT HE PAYS SAME AMOUNT AS TAX . WHAT IS THE PREVISIOUS SALARY?

If a car starts from A towards B with some velocity.Due to some problem in the engine after travelling 30km, the car goes with 4/5 th of its actual velocity The car reaches B 45 min later to the actual time.If the car engine fails ofter travelling 45km, the car reaches the destination B 36min late to the actual time .What is the initial velocity of car and what is the distance between A and B in km ?

One student takes 20 mins to reach school if he goes at a speed of 15kmph .At what speed should he go to reach in 15 mins ?

The total expense of a boarding house are partly fixed and partly variable with the number of boarders. The charge is Rs.70 per head when there are 25 boarders and Rs.60 when there are 50 boarders. Find the charge per head when there are 100 boarders?

A 5 litre jug contains 4 litres of a salt water solution that is 15 percent salt. If 1.5 litres of the solution spills out of the jug, and the jug is then filled to capacity with water, approximately what percent of the resulting solution in the jug is salt? (A)7.5% (B)9.5% (C) 10.5% (D) none