If S1 = {1, 2, 3, 4, ... , 23} and S2 = {207, 208, 209, 210, 211, ... , 691}, how many elements of the set S2 are divisible by at least four distinct prime numbers that are elements of the set S1?
a)9
b)8
c)11
d)12
The number of people writing a test is a prime number less than 200.The ratio of the number of the people who pass to those who fail could be ?
1) 82:83
2)75:78
3)76:81
4)91:78
values of number 2^2004 and 5^2004 are written one after another.how many digits are there in all? donno the solution for this question..can puys help me with the approach?
List of formulas:
Quantitative Ability (QA) section of CAT has always been an area of contention for students as here no guess work helps at all and neither the choice of eliminating options for that matter. What QA is all about and how it is so much important for a paper like CAT.
What is the maximum possible integer value of p if 7 × 8 × 9 × 10 × ... ×135 = n × (720)p, where n is a natural number?
a30
b31
c32
d33
pls explain ur approachWhat is the remainder when 24^60+ 60^24 is divided by 84 ??
1.0
2.36
3.48
4.72
if 5x + 2y = 15 find the maximum value of x^3 * y^2 ?
help
In quadilateral ABCD angle B= 90 and AD^2=AB^2+BC^2+CD^2 then find value of angle ACD ?
Explain
A,B and C working alone can complete a work in 24, 32, 48 days respectively. A started the work and B joined him after 4 days and C joined them after 4 more days. If they were paid 10800, for the work done how much did A get?
- 2800
- 3600
- 6400
- 5400
0 voters
ABCD is a Square of side 13 cm. K is a point on CD such that CK:KD =1:2. CP is a perpendicular to AK produced. find length of CP .
explain
12 men or 18 women can complete a work in 20 days. 9 men and 6 women worked together for 10 days.Approximately what percent of work is pending?
- 45
- 60
- 26
- 54
0 voters
A man arrives at a railway station 1.5 hours before the time at which he had ordered his carriage to meet him. He walks at the rate of 4 km/hr and meets the carriage 8 km from his house and reaches 1 hour earlier than the usual time. Whats the speed of the carriage and distance from the station to his house?
a) 8 Kmph, 12 km
a) 12 Kmph, 16 km
a) 4 Kmph, 12 km
d) none of these
Pls share approach
Find out the remainder when 25^26^27
is divided by 7
12 men and 15 women together can complete 50% of a work in 10 days. Whereas 15 men and 12 women can complete 60% of the work in 10 days. Approximately in how many days a group of 10 men and 10 women can complete that work?
- 25
- 11
- 18
- 20
0 voters
Consider the set P = {–5, –3, –1, 1, 3, 5….} consisting of 1998 numbers. If 'a' be the average of the elements in P and 'b' be twice the average of the first 1998 natural numbers, then which of the following is equal to (a – b)?
- 5
- -8
- -7
- -6
0 voters
No. of terms in expansion of ( 1+ a + a^2 + a^3)5 = (5*3) + 1 = 16
Any explanation as to why it is so ?
Are there some direct formulas to do so ?
Parallel sides of trapezium are 44 and 16 and non parallel sides are 25 and 17 in length. find height of trapezium ?
A number N=2^3*3^3*5^2*7^2
What is the no of factors of N not divisible by 6?
Pls mention explanation.!
Pls mention explanation.!
- 69
- 76
- 81
- 63
0 voters
can anyone tell me how was the cat paper yesterday?