@rkshtsurana bhai answere aur question ratlo kya pata yahi aa jaye kahin pe solution jo @maddy2807 bhai ne diya hai agar woh exam mein karne lage toh yahi question hoga sirf
@krum bhai yeh age kaise hua (2m+25-2n)(2m+25+2n)=549....................mera yahan tak toh nikal gaya tha uske age mera dimag ghum gaya
@sauravd2001 said:@krum bhai yeh age kaise hua (2m+25-2n)(2m+25+2n)=549....................mera yahan tak toh nikal gaya tha uske age mera dimag ghum gaya
break 549 as a multiple of two nos.
1*549
3*183
9*61
and equate to the given equation to calculate the value of m and n
N=202*20002*200000002*200
00000000000002*200...31 zeroes..the sum of the digits in this multiplication is?
help karo mamu log
00000000000002*200...31 zeroes..the sum of the digits in this multiplication is?
help karo mamu log
@kingsleyx said:A circular dart board of radius 1 foot is at a distance of 20 feet from you. You throw a dart at it and it hits the dartboard at some point X in the circle. What is the probability that X is closer to the center of the circle than the periphery?
luks lik it shud be 1/4
@maddy2807 said:approach batana bhai.
let numbers be - a,b,c,d,e,f
=>(ab+bc+cd+da)(e+f)=1995=3*5*7*19
=>(a+c)(b+d)(e+f)=3*5*7*19
so we have to find no. of ways 1995 can be written as product of 3 numbers(we can't use 1 as a,b,c,d,e,f are all +ve)
=>4c2
but these are ordered pairs so 4c2*3=18
=>(ab+bc+cd+da)(e+f)=1995=3*5*7*19
=>(a+c)(b+d)(e+f)=3*5*7*19
so we have to find no. of ways 1995 can be written as product of 3 numbers(we can't use 1 as a,b,c,d,e,f are all +ve)
=>4c2
but these are ordered pairs so 4c2*3=18
@maddy2807 are bhai yahi toh puch raha hun ismein kya first term ko 1*549 ke liye 1 rakha aur ag kaise kiya ?
@kingsleyx said:A circular dart board of radius 1 foot is at a distance of 20 feet from you. You throw a dart at it and it hits the dartboard at some point X in the circle. What is the probability that X is closer to the center of the circle than the periphery?
1/4
@sauravd2001 said:@maddy2807 are bhai yahi toh puch raha hun ismein kya first term ko 1*549 ke liye 1 rakha aur ag kaise kiya ?
(2m+25-2n)=1
(2m+25+2n)=549
rakh aur value nikal. 2 variable equation ban gai hai yeah.
similar for other cases too.
@sauravd2001 said:@maddy2807 are bhai yahi toh puch raha hun ismein kya first term ko 1*549 ke liye 1 rakha aur ag kaise kiya ?
(2m+25-2n)(2m+25+2n)=1*549
=>2m+25+2n=549 & 2m+25-2n=1
=>4m+50=550
=>m=125
similarly others
=>2m+25+2n=549 & 2m+25-2n=1
=>4m+50=550
=>m=125
similarly others
@krum this is what i was askimg ....nw i get it.......maybe i should i have tried myself ahead instead of loosing hope after doing evrything and leaving at end
@audiq7 160 hai..... solve karo..meri gf ne diya hai solve karne ko... izzat ka sawal hai......quants mai numbers ke chapter mai kuch nahi aata jaata re mere ko 😞 :(
@kinkong 160 ki sum of digits to 7 hi hai na? yar mein sum of digits and digit sum mein hamesha confuse ho jata hu.. 
Two different teams with four students each were training for an international
math contest. The students were given an assessment exam and
their scores were ranked. What is the probability that the four best scores
come from only one of the teams assuming that no two students got the same
score?
a) 1/2
math contest. The students were given an assessment exam and
their scores were ranked. What is the probability that the four best scores
come from only one of the teams assuming that no two students got the same
score?
a) 1/2
b) 1/16
c) 1/35
d) 1/288
e) 1/576
Let A = {a1, a2..ak} be any set of k composite numbers such that
1that there exists at least one pair (ai, aj), 1prime ?
a) 3
1that there exists at least one pair (ai, aj), 1prime ?
a) 3
b) 4
c) 5
d) 6
e) 7