A two wheeled carriage, whose axle tree is 1.22m long is driven around a circle, the outer wheel makes 3/2 revolutions for every 1 revolution of inner wheel. The wheels are each 0.9 m high. What is...
A two wheeled carriage, whose axle tree is 1.22m long is driven around a circle, the outer wheel makes 3/2 revolutions for every 1 revolution of inner wheel. The wheels are each 0.9 m high. What is...
a xerox machine is available for rs 78000 or for 331/9% cash down payment and 11 equal monthly installments of rs 4900 each. what is rate of interest charged?
It has been found that if A and B play a game 12 times, A wins 6 times, B wins 4 times and they draw twice. A and B take part in a series of 3 games. The probability that they will win alternately...
The condition that the roots of equation x3+3px2+3qx+r=0 satisfied, is
A shopkeeper listed his price of goods 30% above CP. He sells half the stock at this price, one fourth of stock at discount of 15% and the remaining at 30% discount. His overall profit was?
A takes 3 times long as B+C together and B takes 4 times as long as A+C together. All 3 working together takes 24 days to complete, then time taken by A alone to complete??? ...
When waiting to land, an airplane is traveling above the airport in a holding pattern that can be modeled by the equation 49x^2 + 64y^2 = 3136, with the air traffic control tower at the origin...
A man gave 50% of his savings of 84,100 to his wife and divided the remaining the sum among his 2 sons A and B of 15 yrs and 13yrs resp.He divided in such a way that each of his son, when they attain...
x^2+y^2+1=2x, find value of x^3+y^5?
The multiplication of 3 digit number XY5 with digit Z yields X215. what is X+Y+Z???
how many maximum spectral lines are possible if electron is present in 4th shell and only two atoms are present in sample?
Find coefficient of x in expansion of [(√1+x2)-x]-1 in ascending power of x when mod x is less than 1?
The coefficient of xn in the expansion of (1+x+x2+......)-n is?
The cube root 217 is? how to do it with binomial expansion?
The coefficient of xr in the expansion of (1-2x)-1/2 is ?
Find the first negative term in the expansion of (1+x)27/5 where x is a positive number.
IF 1,ω+ω²+.....+ωn-1 are the nth root of unity, then the value of (1/x-1)+(1/x-ω) +......+1/x-ωn-1 =________?
Find the area of the region described by y≥ 2|x-3|+4 and x-2y ≥ -20.
A well-traveled highway has its traffic lights green for 82% of the time. If a person traveling the road goes through 8 traffic intersections, find a) the probability that the first red light...
Let z1,z2,z3 be 3 vertices of equilateral triangle circumscribing the circle mod z =1/2. If z1=1/2+(√3i/2) and z1,z2,z3 are in anti clockwise sense then z2 is?