12 members were present at a board meeting. Each member shook hands with all of the other members before & after the meeting.How many hand shakes were there?
An emergency vehicle travels 10 miles at a speed of 50 miles per hour.How fast must the vehicle travel on the return trip if the round-trip travel time is to be 20 minutes?
a) 75 miles per hour
b) 70 miles per hour
c) 65 miles per hour
d) 80 miles per hour
Mary and John can do a piece of work in 24 days; John and Vino in 30 days; Vino and Mary in 40 days. If Mary, John and Vino work together they will complete the work in :
a) 10 days
b) 20 days
c) 17 days
d) 15 days
My friend collects antique stamps. She purchased two, but found that she needed to raise money urgently. So she sold them for Rs. 8000 each. On one she made 20% and on the other she lost 20%. How much did she gain or lose in the entire transaction?
a) She lost Rs 500.67
b) She lost Rs 666.67
c) She gain Rs 666.67
d) She gain Rs 500.67
Find the sum of the first 50 common terms of 12,16,20,… and 18,24,30,….
The time showed by an analog clock at a moment is 11 am then 1234567890 hours later it will show the time as:
Square of two more than a two digit number is multiplied and divided by 2 and 5 respectively. If twice of the result is equal to 500 then find the number?
Find X when X – Y = 3 and X2 + Y2 = 89 where X and Y are integers.
Find the value of P when the line through the points (2,2) and (5,7) is perpendicular to the line 3x+Py-9=0.
Find the missing number in 25, 38, _, 64, -27, 90
What is the sum of the irrational roots of the equation (x-1)(x-3) (x-5)(x-7)=9 ?
There is an element which triplicates in every hour. Each of these 3 items inturn reproduce exactly 3 other items. If a single compund is kept in a container at noon and the container is full by midnight. After how many hours is the container 1/3 full?
A person goes to a bank and Quotes x Rs and y paise on a cheque. The cashier misreads it and gives y Rs and x paise. The man comes out and donates 5 paise to a begger. Now, the man has exactly double the amount he has quoted on the cheque.
a) 35 Rs. and 65 paise.
b) 32 Rs. and 63 paise.
c) 30 Rs. and 65 paise.
d) 31 Rs. and 63 paise.