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number of integral solution of 2x+3y+4z=144?

how many number of solutions to the equations a+b+c+d = 12 where 1<= a,b,c,d <=6?

How many different values of positive integer 'n' are there such that expansion of 1/n terminates when written in base 57 and 323 such that n < 10000.

Aman reads 4 newspaper thoroughout the year. He numbered them as 1,2,3.. 365. He reads TOI on days of multiple of 15, HT of 7, IE of 4 and TT of 3 multiple. How many days did he read exactly 2 newspaper and number of days he did not read any newspaper?

The last two digit of the multiplication of 1*3*5*7.........97*99 will be

How much practice of DI on an average is required

The analysis of recently held CBSE exam shows that Chennai Zone, Delhi Zone and Ajmer Zone have performed the best. The average marks of the Ajmer Zone & Delhi Zone put together is 71%. The average marks of Chennai Zone & Delhi Zone put together is 76% and the average marks of Chennai Zone & Ajmer Zone put together is 79%. What is the range of the average marks of all the three zones ( N ) put together. a) 71%<N<78% b) 70.5%<N<77.5% c) 73.5%<N<77.5% d) 73%<N<79%

Beides practice , how do I improve my accuracy in verbal?

I want to bell the CAT in one month. Is that enough time for preparation?

Amar and Balu start running from the same point in a circular track with speeds 8 kmph and 10 kmph respectively. Find the number of distinct points at which Amar and Balu meet on the track .