Perimeter of front wheel =30, back wheel = 20. If front wheel
revolves 240 times. How many revolutions will the back wheel
take?

Answer Posted / saranya devi.n

360 times

Is This Answer Correct ?    10 Yes 3 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

x:y=3 and x+y=80 what is the value of y?

734


Two circles , one circle is inscribed and another circle is N outscribed over a square. What is the ratio of area of inner to outer circle.

811


In the combinations of 2,3,6,7 how many possible combinations divisible by 4?

741


A son and father goes for boating in river upstream . After rowing for 1 mile son notices the hat of his father falling in the river. After 5min. he tells his father that his hat has fallen. So they turn around and are able to pick the hat at the point from where they began boating after 5 min.Tell the speed of river.

827


A boy has Rs 2. He wins or loses Re 1 at a time If he wins he gets Re 1 and if he loses the game he loses Re 1. He can loose only 5 times. He is out of the game if he earns Rs 5. Find the number of ways in which this is possible?

878






Find the nth number in the series is 1, -3, 5, -7.___

768


Certain no. of men can finish a piece of work in 10 days. If however there were 10 men less it will take 10 days more for the work to be finished. How many men were there originally.

780


Convert the decimal number 310 to the base 6.

1477


mention your extra-curricular interest. Which do you actively pursue? how do you see these developing in the future?

2955


There are 6 people W,H,M,C,G,F who are murderer, victim, judge, police, witness, hangman. There was no eyewitness only circumstantial witness. The murderer was sentenced to death. Read following statement and determine who is who.

702


Subbu starts from a point O at 10.00 am , overtakes Ajay, who is moving in the same direction, at 11.00 a.m. and Bhuvan moving in the opposite direction at 12.00 (noon). If the speed of Bhuvan is one fourth the speed of Subbu, at what time will Ajay and Bhuvan cross each other.

1256


Can you find out what day of the week was January 12, 1979?

848


A contractor employed 200 men to complete a strip of highway in 200 days. After 150 days he found that only 3/5th of the strip is complete. How many additional men should be employed to complete the work on time?

1121


If shalu buys 6 more apples, his carton will weigh 14.5 kilograms.if the weight of one apple is 250 grams.how many apples did he initially had in his carton?

1109


X2 – (A-3)X +(A+3) = 0 for what value of A the sum of square of roots will be least ?

792