From a vessel of 20 liters pure milk, 1 liter is taken out and replaced with water, so as to keep the volume constant to 20 liters. This process is repeated 5 times. Find the percentage of pure milk left in the vessel after 5 replacements.

All dials are mirror

All mirrors are spoons

Some spoons are decks

Some decks are chairs

Conclusion 1 : Some decks are mirrors

Conclusion 2 : Some spoons are dials

Conclusion 3 : Some decks are dials

Conclusion 4 : Some chairs are spoons

Find the incorrect element in the series : 1, 3, 10, 36, 152, 760, 4632

A shopkeeper purchased two varieties of rice, 80 KG at Rs. 13.50 per KG and 120 KG at Rs. 16 per KG. The shopkeeper being greedy, mixed the two varieties of rice and sold the mixture at a gain of 16 %. Find the per KG selling price of the mixture.

A cistern has two pipes. Both working together can fill the cistern in 12 minutes. First pipe is 10 minutes faster than the second pipe. How much time would it take to fill the cistern if only second pipe is used ?

In a 100 m race, A can give a start of 4 m to B and 6.4 m to C. How much start can B give to C ?

A bag contains 50 p, 25 p and 10 p coins in the ratio 2 : 5 : 3, amounting to Rs. 510. Find the number of 50 p, 25 p and 10 p coins respectively

Statements:

All the trucks are flies.

Some scooters are flies.

Conclusions:

All the trucks are scooters.

Some scooters are trucks.

Statements:

All buildings are chalks.

No chalk is toffee.

Conclusions:

No building is toffee

All chalks are buildings.

By selling an article what is the profit percent gained?

I. 5% discount is given on list price.

II. If discount is not given, 20% profit is gained.

III. The cost price of the articles is Rs. 5000.

By selling an article what is the profit percent gained?

I. 5% discount is given on list price.

II. If discount is not given, 20% profit is gained.

III. The cost price of the articles is Rs. 5000.

If a person walks at 14 km/hr instead of 10 km/hr, he would have walked 20 km more. The actual distance travelled by him is:

Excluding stoppages, the speed of a bus is 54 kmph and including stoppages, it is 45 kmph. For how many minutes does the bus stop per hour?

Seats for Mathematics, Physics and Biology in a school are in the ratio 5 : 7 : 8. There is a proposal to increase these seats by 40%, 50% and 75% respectively. What will be the ratio of increased seats?

If 40% of a number is equal to two-third of another number, what is the ratio of first number to the second number?

Three pipes A, B and C can fill a tank in 6 hours. After working at it together for 2 hours, C is closed and A and B can fill the remaining part in 7 hours. The number of hours taken by C alone to fill the tank is:

Two pipes A and B together can fill a cistern in 4 hours. Had they been opened separately, then B would have taken 6 hours more than A to fill the cistern. How much time will be taken by A to fill the cistern separately?

Odometer is to mileage as compass is to

Yard is to inch as quart is to

Arrange the words given below in a meaningful sequence.

1. Poverty 2. Population 3. Death

4. Unemployment 5. Disease

In a 100 m race, A can give B 10 m and C 28 m. In the same race B can give C:

At a game of billiards, A can give B 15 points in 60 and A can give C to 20 points in 60. How many points can B give C in a game of 90?

It was Sunday on Jan 1, 2006. What was the day of the week Jan 1, 2010?

Which of the following is a prime number ?

who is the killer?