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If there 1 paise,10 paise and 1 rupee coins.in how many ways can a person 175 paise?

4+44+444...n terms = a, then find 81a/4+10+9n=? Please explain the concept behind this.

a,b are two +ve no.s : a<4,b<4. Find the probability that 2a+3b<14? the ans is given as 13/16. can u tell me how is it so?

What is the remainder when 22! is divided by 43.

the team has signed a MOU with the sponsors to fund their overseas tours ...yahan jab team ko singular mana jaa raha hai to their kun lagaya????

A shop sells lottery ticket numbered from 0001 to 9999.if a family wants to buy 5 consecutive lottery tickets each starting with 7.how many possible ways are there to do it.

Find the number of digits in the number 16^25 when converted to base 4.

in a game100 points .A can give B 20 points and C 28 points. then B can give C ?

7777.... (80 digits) / 74 find the remainder
is dividing it and finding the pattern only option to find it?

there's a question on commonly confused words stating that there was difference of opinion among the fin ministy,the mnstry for ondustries and the commerce minstry .if among is replaced by between tha article the shud be eliminated as use of article states that there are 3 minstries involved