Official Quant thread for CAT 2013

x = ±1 ±2 ±3 ±4 ±5 ±6 ±7 ±8 ±9 ±10. How many possible values can x take?

X is a 4 digit number with units digit prime. Also the product of all the digits of number x is a prime number. Find the number of values x can take ?

A courier man collects courier from airport and comes back to office. One day he;s told that plane will arrive 50 min late to airport, so he leaves 50 min late from office. However, the plane arrived a little early. so people @ airport send the courier with a guy on cycle. The courier guy meets the cycle guy midway, takes courier from him and returns to office 10 min earlier than expected. Find when did the plane land?😠

can anybody please tell me the link where i can practice RC passages online..??
thanks in advance

FIND THE NUMBER OF PERFECT NUMBERS BETWEEN 1 TO 300..

According to a plan a drilling team had to drill to a depth of 270 m below the ground level.For the 1st 3 days the team drilled as per plan.However subsequently finding that their resources were getting underutilised according to plan,it started to drill 8 m more than the plan everyday.Therefore a day before the planned date they had drilled to a depth of 280m.How many metres of drilling was the plan for each day


a)38mb)30mc)27md)28me)none

two different series of a question booklet for an aptitude test are to be given to twelve students . in how many way s can the student be placed in two rows of six each so that there should not be no identical series side by side and that the student sitting one behind other should have the same series ?

nc3-2n-n*(n-4)c1
b)n(n-4)(n-5)/3
none of these

approach please

According to plan, A drilling team drill to a depth of 270 meters below the ground level, For the first three days the team drilled as per the plan, however, subsequently finding that their resources are getting under utilized, they started to drill 8 meters more than planned for every day. Therefore a day before the planned date, they have drilled a depth of 280 meters. How many meters of drilling was the plan of each day. ??

38

30
27
28


the number of ways in which 6 british and 5 french can dine at the round table if no two french have to sit together is given by

a)6!*5!
b)5!*4!
c) 30
d)7!*5!

Point X,Y are on side PQ and PR of a triangle PQR respectively. The segment QY and RX intersect at point Z. Given that QY=RY, PQ=RZ and angle QPR = 60 find angle RZY?

how many squares are possible if two vertices of a quadilateral are (1,0) (2,0) ?

a)2
B)3
C)4
d)5

approach please

Two stations A and B are 920 km apart. A train T1, which stops for 5 minutes inevery town-station and for 3 minutes in every village-station started from A with a speedof 60km/h towards B and at the same time a train T2 with a speed of 80km/h whichdoes not stop in any intermediate station started from B towards A. They met at C whichis 560 km away from B. If the number of town-stations between A and C is less than thenumber of village-stations, then at least how many stations - town or village - are there between A and C? Assume T1 stops only at town or village-stations.


(a) 12 (b) 13 (c) 16 (d) 18 (e) 20



N = (2^(x+1) )*(3^(y+1))*(5^(z+1)), then how many factors of n are divisible by 6 but not by 10 ?

the weight of an iron bucket increases by 33.33% when filled with water to 50% of its capacity. which of these may be 50% of the weight of the bucket when it is filled with water (assume weight of bucket and its capacity in kg to be integers)1) 7kg2) 6kg 3) 5kg 4) 8kg

How to handle these kind of questions, without spending much time.

Q. It takes 6 days for 3 women and 2 men working together to complete a work. Also 3 men would do the same work 5 days sooner than 9 women. HOw many times does men exceed than of a women ?
OA - 6 Times

Q. Each of A, B, and C need a certain unique time to do a certain work. C needs 1 hour less than A to complete the work. All of them, Working together they need 30 minutes to complete 50% of the job. The work also gets completed if A and B starts working together and A leaves after 1 hour and B works for further 3 hours. How much work does C do per hour ??

OA - 33.33%

N is a number such that 200How many different values of N are possible?

  • 14
  • 13
  • 12
  • 15

0 voters

A tailor cuts two equal semicircular pieces from a rectangular cloth of dimensions 80m x 40m. What

is the minimum possible area (in sq m) of the cloth that is left?

(a)3200 – 400π

(b)3200–625π

(c)3200–484π

(d)3200–900π

Two women, A and B are working on embroidery design, A working alone took 8 hours more than the time that took working together. B working alone took 4.5 hours more than the time that took working together.


What is the Time taken By B ??

A. 10.5 Hrs
B. 12.5 Hrs
C. 14.5 Hrs
D 18.5 Hrs


PQRS is a parallelogram. The points R and S are shifted, keeping the points P and Q fixed, in such

a way that the figure remains a parallelogram. If the lengths of all the sides of the parallelogram also

remain the same, then what is the locus of the point of intersection of the diagonals of PQRS?

(a) A circle (b) A straight line (c) A fixed point (d) None of thes

unit digit in 2^888??