Q&Answers: Math/Chemistry/Physics Problems + Solutions

a man leaves office daily at 7 pm, a driver with car comes from his home to pick up him from office and bring back home.one day he gets free at 5:30 pm....,instead of waiting for car ,he starts walking towards his home,on the way he meets the car and returns home by car,he reaches home 20 minutes earlier than usual.

How many positive integers I less than 20 are either a multiple of 2, an odd multiple of 9, or the sum of a positive multiple of 2 and a positive multiple of 9 ?

In Richie's company 60% of the employees earn less than $50,000 a year, 60% of the employees earn more than $40,000 a year, 11% of the employees earn $43,000 a year and 5% of the employees earn $49,000 a year.

Souju's age is 1/4th of her father's age.

Price of a book increases 15% successively (2times) what is the new price of the book more compared to that of the old price:

A is 16th position and 29th from down of the people who passed. 5 failed , 6 didn't give . how many boys are there in the class?

Two trains, one from Howrah to Patna and the other from Patna to Howrah, start simultaneously.

9 men and 2 boys working together can do four times as much work as a man and a boy.

The speed of a car is 90 km in the first hour and 42 km in the second hour.

How many five digit numbers can be formed using digits 0,1,2,3,4,5, Which are divisible by 12, without any of the digits repeating?

6 people meet for a business lunch.

Which of the following correctly lists the data sets in order of greatest to least standard deviation?

If Rs. 782 be divided into three parts, proportional to 1/2:2/3 :3/4, then the first part is:

X, Y, and Z are consecutive numbers and X > Y > Z.

The population of a town increased from 1,75,000 to 2,97,500 in a decade.

If a tap could fill entire tank in 20 hrs due to leakage, then in how much time

A man can row a distance of 5 km in 60 min with the help of the tide.

Look at this series: 544, 509, 474, 439, 404, 369 ...

The cost of type 1 rice is Rs 15 per Kg and type 2 rice

A money lender lent Rs. 1000 at 4% per year and Rs. 1400 at 5% per year.

8.008/4.004

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A children's gift store sells gift certificates in denominations of $3 and $5.

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75% of x is greater than 1/3rd of x by 110.what is x?

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The length of a bridge in meters, which a train 110-meters long and traveling at 45 km/hr can cross in 30 seconds is?

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