Placement Quiz-1

A polygon has 44 diagonals. What is the number of its sides?

• 7

• 13

• 11

• 9

If the selling price of a mat is five times the discount offered and if the percentage of discount is equal to the percentage profit, find the ratio of the discount offered to the cost price.

• 7 : 30

• 7 : 11

• 11 : 30

• 5:11

What is the difference between the compound interests on RS.5000 for 2.5 yrs at 4% per annum compounded yearly and half - yearly.

• 2.04 RS

• 3.06 RS

• 4.80 RS

• 8.30 RS

In a race, the odds in favour of cars P, Q, R, S are 1 : 3, 1 : 4, 1 : 5 and 1 : 6 respectively. Find the probability that one of them wins the race.

• 114/121

• 319/420

• 21/111

• 69/77

One type of liquid contains 25% of benzene, the other contains 30% of benzene. A can is filled with 6 parts of the first liquid and 4 parts of the second liquid. Find the percentage of benzene in the new mixture.

• 28%

• 26%

• 25%

• 27%

A and B are two alloys of argentum and brass prepared by mixing metals in proportions 7 : 2 and 7 : 11 respectively. If equal quantities of the two alloys are melted to form a third alloy C, the proportion of argentum and brass in C will be ?

• 5 : 9

• 5 : 7

• 7 : 5

• 9 : 5

A man takes 3 hrs and 45 mins to row a boat 15kms downstream of a river and 2 hrs and 30 mins to cover a distance of 5kms upstream. Find the speed of the river Current in km/hr.

• 0.5km/hr

• 1km/hr

• 1.5km/hr

• 2km/hr

If a² + b² = c², then 1/log _{c + a}b + 1/log _{c - a}b =

• 1

• 2

• -1

• -2

A Train M Leaves Meerut at 5 am and reaches Delhi at 9 am.

Another train leaves delhi at 7 am and reaches Meerut at 10:30 am.

At what time the two trains meet each other?

• 7:36 am

• 7:56 am

• 8:06 am

• 8:26 am

A Machine P can print one lakh books in 8 hours , Machine Q can print the same number of books in 10 hours while Machine R can print them in 12 hours. All the machines are started at 9 am. The Machine P is closed at 11 am and the remaining two machines complete the work . Approximately at what time will the work be finished?

• 11:30 am

• 12 noon

• 12:30 pm

• 1 pm