how many 3 digit numbers can be formed from digits 1 to 9 such that the digits are in AP?
answer is 32..approach please😃
A and B are chatting.A says that he has 3 nephews who all have same birthday,same time but might have different birth year,The product of their ages was given as 72,he also tells B the sum of their ages.But B still cud nt make out their ages.Finally A says that the youngest nephew is named galileo and hence B after knowing this tells the ages.
what are the ages??pls explain..I am not the having the OA.
if three positive real nos x,y,z are in ap such that xyz = 4, then what will be the minimum value of y..??
1. 2^1/3
2. 2^2/3
3. 2^1/4
4. 2^3/4
5. 2^4/3
sachin started the business with 20,000 and after 4 month sunil joined with 40,000.sachin received 39,000 as his annual profit share which included the salary of 16% of his annual profit.find annual profit share of sachin.
last two digits of 312^543 ?
Q5
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Let Vr denote the sum of the first r terms of an AP whose first term is r and the common difference is (2r – 1). Let, Tr= V(r +1) – Vr – 2, then which of the following statement is definitely true?
- Tr is always an odd number
- Tr is always a composite number
- Tr is always an even number
- Tr is always a prime number
0 voters
In how many ways can 2 white chess pawns be placed such that 1 occupies a black square and the other occupies a white square?
is the answer 32 squared?
the number of ordered (x,y) such that ( 1/ x^0.5 ) + ( 1/ y^0.5 ) = 1/20
- 7
- 1
- 3
- 5
- none of these
0 voters
Funda for the question...!!!
What is the difference in area of a regular hexagon circumscribing a circle of radius 8 cm and the regular hexagon inscribed in the same circle?
Nine students are split into three equal teams to develop reports on one of three problems:shortage of skilled labor, violence in schools, and low standardized test scores. How manydifferent teams of students are possible?(A) 5040(B) 1680(C) 1512(D) 504(E) 168
Some pythagorean triplets: Little More to Think
3,4,5 (3^2=4+5)
5,12,13 (5^2=12+13)
7,24,25 (7^2=24+25)
8,15,17 (8^2 / 2 = 15+17 )
9,40,41 (9^2=40+41)
11,60,61 (11^2=60+61)
12,35,37 (12^2 / 2 = 35+37)
16,63,65 (16^2 /2 = 63+65)
20,21,29(EXCEPTION)
Find the area enclosed by |x| + |x+y| = 4. Please explain the approach.
The function f(n) is defined for the set of natural numbers as
f(n)={ (n-3) for n>99
f(f(n+5)) for n
Find value of f(14) ?
Explain the approach please.
4 rings and 3 fingers, in how many ways can the 4 rings be worn in index, ring and middle finger, if there is no restriction of the no. of rings to be worn on any finger, 3^4 or 4^3 ??
Hi Puys....I have a basic question...how to find the last two digits of the following number ...2^19*7^19*3^19....Can i expect a question on finding the last 3 digits?
What is the unit digit of 32^32 in base 11
No of arrangements for 5 distinct balls in 5 identical boxes?
Find the remainder when 59 power (73) power 51 divided by 37 ???????????soln pls