p:q=4:1. If p=a+b and q=a-b,then find a:b...I know this one is quite silly,but i need its solution.,:)
data sufficiency....nandu bought a pen he paid denomination of 1 2 5 10 using at least one note of each denomination. the sum of 5 nd 10 rupee note was one more than the sum of 1 nd 2 rupee note how many rupee did nandu paid 4 pen
1) he used total of 13 currency
2)price of pen multiple of 10
There are a total of 30 employees in a company.The ratio of male employees to the female employees is 8:7. How many female employees have to be recruited so that the ratio becomes 1:1?
If x,y and z are positive real numbers, for what ratio of y and z is the value of :
[ x/y + z/12x + 4y/x + x/3z ] minimum ?
(i) a , b , c , d , e , f , g , h are sitting around a circular table facing centre not in same order
(ii) b sits 2nd to the left of H's husband . No female is an immediate neighbour of B
(iii) D's daughter sits 2nd to right of F who is the sister of G . F is not an immediate neighbour of H's husband
(iv) only one person sits between A and F . A is the father of G .
H's brother D , sits to the immediate left of H's mother .
Only one person sits between H's mother and E
(V) only one person sits between H and G .
G is the mother of C .
G is not an immediate neighbour of E
Make them sit in right orderπ π 
(a-b)^2= 1 and (a+b)^2=25 find a and b
1)a is prime
2) |a|=2 a is a integer
data sufficiency(x-1) β(x^2 - x - 2) >= 0
Find the range of x. :)
Ashok and Bipin can complete one round of the circular track in 44 seconds and 36 seconds respectively. Both start running simultaneously in a clockwise direction from a point P on the circular track at time 't' = 0. At least how many rounds of the circular track must Bipin complete to be at maximum possible distance from Ashok?
A train is travelling at a speed of 96 km/hr. It takes 3 s to enter a tunnel and 30 s more to pass through it completely. What is the length of the train?
a. 60 m
b. 90 m
c. 100 m
d. 120 m
e. 80 m
PS- my problem is in deducing the length of trai..becoz of the length of TUNNEL being involved. plz help with approach!!
On buying a camera, the shopkeeper gives six rolls of film free. On buying a camera and eight rolls of film, the shopkeeper gives additional seven rolls of film free. If the equivalent discount is the same in both cases, then how many rolls will be equal in value to a camera?
25, 30, 36, 48
How many integral values of x will satisfy below equation.
|x-3|+|2x+4|+|x|
Remainder of 7^52 mod 1200
Approach please
If xy is a 2 digit number and u,v,x,y are digits then find the number of solutions of the equation: (xy)^2= u!+v
a)2
b)3
c)0
d)5
Hey can anyone let me know any site for DI practice basically for graphs
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The numbers 123 456 789 and 999 999 999 are multiplied. How many times does digit 9 come in the product?
The sum of 20 distinct numbers is 801. What is their minimum LCM possible?
can any one say how find verices of a triangle when sides are given?
sq.rt (x) +sq.rt (y)=sq.rt (1332) how many values of x and y satisfy if x and y are integers
The last three digits of a number N are x25. For how many values of x can N be the square of an integer?π
please suggest some good books for cat quant last minute preparation as I'm running out of time π, except arun sharma!!!