math & puzzles Online Quiz - 66
Description: math & puzzles Online Quiz - 66 | |
Number of Questions: 20 | |
Created by: Aliensbrain Bot | |
Tags: math & puzzles |
Find the Roman number for number: 49
Find the Roman number for number: 99
Find the Roman number for number: 25
Find the Roman number for number: 19
What is the remainder when 7^123 is divided by 48
18 men can finish a task in 4 days working 8 hours a day. In how many days 12 women will finish three times the same work, working 16 hours a day. Efficiency of woman is half that of a man.
A and B move along a circular track from the same starting point and at the same time. When they meet for the first time, what is the difference between the distance traversed by A and B? (A) The length of the track is 1200 meters. (B) Relative speed is 1m/s and individual speeds are natural numbers.
The sum of the reciprocals of the roots of the equation ax^2+bx+c is 22. The product of the roots of the equation cx^2+bx+a is 11. What is the difference of the roots of the equation ax^2+bx+c
What is the volume of cuboid? (A) The lateral surface area of each face is 4,6,9. (B) Sum of the three dimensions (l,b,h) is 10 and the total surface area is 38
The number of common terms in the two sequences 17,21,25,....417 and 16,21,26,....466 is
A shop stores x kg of rice.The first customer buys half this amount plus half a kg of rice.The second customer buys half the remaining amount plus half a kg of rice.Then the third customer also buys half the remaining amount plus half a kg of rice.Thereafter, no rice is left in the shop.Which of the following best describes the value of x?
Let f(x) be a function satisfying f(x)f(y)=f(xy)for all real x,y.If f(2)=4,then what is the value of f(1/2)
The integers 1,2,3,...40 are written on a blackboard.The following operation is then repeated 39 times.In each repeatition any two numbers ,say a and b,currently on the blackboard are erased and a new number a+b-1 is written.What will be the number left on the board then?
Consider obtuse angled triangles with sides 8cm,15cm and xcm.If x is an integer then how many such triangles exist?
Tap A and Tap B can fill a tank in 10 hours and 20 hours respectively. Tap C can empty the tank in 30 hours. Tap A and Tap B are opened for 5 hours. After that Tap C is opened. Find the total time taken in filling the tank upto 87.5% of its volume.
Arunanshu Pandey, Nitesh Ratre and Rahul Mittal are running on a circular track of length 300m. Pandey and Ratre are moving in the same direction while Mittal is moving in the opposite direction. Speed of Pandey,Ratre and Mittal are 4m/s,6m/s and 10m/s respectively. After how much time will all the three meet at the same point for the first time.
What is the least possible value of the function f(x,y). Given f(x,y)= 2x^2+3y^2+8x+24y+80
Rudrani buys 2 Apples, 3 Oranges and 4 Mangoes for Rs.20 and Prachi buys 4 Apples, 7 Oranges and 10 Mangoes for Rs. 50. Find the total price of 1 Apple, 1 Orange and 1 Mango.
Anand was talking to Megan Fox in a party. Referring to her father he said "I am his only daughter's son's maternal grandmother's son's brother in law". How is Anand related to Megan Fox??
What is the biggest number you can create usin four 1's?