http://i.imgur.com/12iXdmh.jpg
how to solve this ?
Q.no 23
If a7! + b8! + c9! + d10! = x, where a, b, c and d are natural numbers that are not multiples of 10, then how many distinct values of unit’s digit of x are possible?
a)10 b)9 c)8 d)4. Please help with the method to solve this. Thanks
Find the 288th term of the series a, b, b, c, c, c, d, d, d, d, e, e, e, e, e, ....?
- x
- v
- w
- y
0 voters
A 51-digit number N consists of fifty x's and one y, where x and y are both digits from among 0 to 9. if N is divisible by 13, x=3 and y is the i th digit from the left, then "i" could be
1) 24
2) 8
3) 42
4) 34
Plz explain the solution.. Remainder for (6^7 + 8^7)/49 ??
OA- Zero
32^32^32 , when divided by 7 and when divided by 9 what would be the remainder in both cases? oa-4
f(x) = ax^2 – b|x|, where a and b are constants.
Then at x = 0, f(x) is:
(1) Maximized whenever a > 0, b > 0
(2) Minimized whenever a > 0, b > 0
(3) Maximized whenever a > 0, b < 0
(4) Minimized whenever a > 0, b < 0
Find the area of the region formed by |y – x| + |y| + |x| ≤ 6.
The simple interest on a certain sum is rs.1200 in 3 yrs and the compound interest in 2 yrs is rs.825. The rate of interest is??
find the sum of first 125 terms of the sequence 1,2,1,3,2,1,4,3,2.......
sum1 kindly help with the solution.thanx!!
A ca manufacturer company sold a car to showroom at 25 % profit. The showroom sold it to a customer at the same profit as that at which the company sold it. The customer sold it to another customer at a loss percentage whose value equals that of profit percentage made by the showroom. The first customer sold it for 288000. Find the cost of manufacturing the car (in lakhs )
Qustn 27 pls