Rem when (30^72^87/11) is?
Q.32
How many of the first 883 natural numbers contain at least one 7 as their digits?
a 278 b 250 c 249 d 258
Approach ?? OA- b
Anyone from kota
Hi! I am in second year. When should I join an institution for cat preparation?? Now or in the third year...
Find remainder when 36! is divided by 73
1)19
2)27
3)46
4)54
A square floor is fully covered with square tiles of identical size. The tiles along the edges are red and the tiles in the interior are black. The number of black tiles is 9/7 times the number of red tiles on the floor. Find the number of tiles along any edge of the floor.
D deposits rs. 20000 at 10% p.a simple interest for a period of n years. L deposits rs. 18000 at the same rate at compound interest for the same period. After n years amount received by D is rs. 2042 more than the amount received by L. Find the value of n?
Ans. 3
Is there any short trick to solve this question without hit and trial, as it is taking too much time. Please help puys :)
Q.9
If a and b are positive integers such that (a2 + b2) is divisible by 7, then the largest integer by which (a2 + b2) is always divisible is?
a 7 b 49 c 14 d 21 Approach?
Q.24
There were two groups - A and B - in a tournament. Both the groups had an equal number of teams. In the first round each team played a match with every other team in the same group. Had 9 teams were shifted from group A to group B, the number of matches in the first round of the tournament would have been 9 more. The total number of teams that participated in the tournament is.
a 10 b 12 c 24 d Data Insufficient OA- b, Approach?
what is the remainder when 1*1! +2*2! + 3*3!........+10*10!/11 i dont have the OA to this..someone pls tell me how to solve it!
If k = 2*1! + 6*3! + 10*5! + 14*7! + 18*9! + 22*11! and n = 1! - 2*2! + 3*3! - 4*4! .... - 10*10!, then find the remainder when n + 23*11! is divided by k?
-Is the forms for FMS, DU out for 2017-2019.... last year i failed to fill up the forms due to negligence.....
The cost of shipping an item is 3x, where x is number of items shipped before this item. If the average cost of shipping should not exceed Rs.30 what is the maximum number of items that can be shipped?
a)19
b)20
c)21
d)not
Q.16
If 2 |x| + 3 |y| = 10 and |x| – [x] = 8, where |x| denotes the absolute value of x and [x] denotes the greatest integer less than or equal to x, then which of the following is a possible value of ‘y’?
a y = 4/3 b y = -1/3 c y = -2/3 d Cannot be determined
How many numbers are there between 2000 and 3000 which are divisible by 3 or 4?
There are two distinct natural numbers. each is first increased by 10 and then by the same percentage as each was increased for the first time. each number finally results in 72. find the difference between the numbers. CAN ANY ONE EXPLAIN IN STEP BY STEP
how many pairs of numbers (a,b) are there 'a less than b' such that their lcm is 160
a)16
b)32
3)18
4)none of these
If s,t>0 and (log s/log 9)=(log t/log 12)=(log(s+t)/log 16). Find t/s?
OA : (1+sqrt(5))/2 Please explain the approach
