Maths MCQ's

The true discount on a bill due 9 months hence at 16% per annum is Rs. 189. The amount of the bill is:

A. Rs. 1386
B. Rs. 1764
C. Rs. 1575
D. Rs. 2268

The present worth of Rs. 1404 due in two equal half-yearly installments at 8% per annum simple interest is:

A. Rs. 1325
B. Rs. 1300
C. Rs. 1350
D. Rs. 1500

A tradesman marks his goods 10% above his cost price. If he allows his customers 10% discount on the marked price. How much profit or loss does he make, if any ?

A. 1% gain
B. 1% loss
C. 5% gain
D. No gain no loss

A shopkeeper marks his goods 20% above cost price, but allows 30% discount for cash payment. His net loss is ?

A. 8%
B. 10%
C. 16%
D. 20%

18 cattle graze a field in 12 days. 6 cattle can graze 3 of such fields in x days. What is x?

A. 90

B. 72

C. 36

D. 108

At a ship the food was enough for 50 people. But after 10 days half of the men died due to some viral disease and the food is sufficient for as long as before. How long the food was sufficient for then?

A. 20
B. 60
C. 70
D. 50

In a camp sufficient food was provided to 500 men to last for 10 days. But after 5 days 200 more men joined. How long the food will last for after joining the 2000 new men?

A. 3
B. 8
C. 5
D. 1

A garrison has provision for 30 days for certain men. If 2/3 of them do not attend the mess then the food will last for?

A. 50 days
B. 90 days
C. 65 days
D. 55 days

A garrison has provision for 30 days for certain men. If 2/3 of them do not attend the mess then the food will last for?

A. 50 days
B. 90 days
C. 65 days
D. 55 days

At an inn there are provisions sufficient for 20 days for 40 people. At the end of every 10 days 5 people leave off. How many days the provision will be sufficient for new?

A. 20
B. 40
C. 30
D. none