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In how many ways can 6 coins be changed from, 20 one rupees coins, 10 fifty paisa coins, and 7 twenty paisa coins?
NET
NUST Entry Test
Mathematics
Out of 15 points in a plane, no three are on a straight line except 8 points which are collinear. How many triangles can be formed by joining them?
NET
NUST Entry Test
Mathematics
Everybody in a room shakes hand with everybody else. The total number of hand shakes is 66. Then the number of person in the room are
NET
NUST Entry Test
Mathematics
In a conference of 8 person each of them shakes hand with each other once daily. Then the number of ways of shaking hand is
NET
NUST Entry Test
Mathematics
A person has 6 friends. In how many ways can he invite one or more of his friends to the party
NET
NUST Entry Test
Mathematics
$^{15}C_{13}+^{15}C_{14}$=
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NUST Entry Test
Mathematics
If $^{2n}C_{3}:^{n}C_{2}=11:1$ then n=
NET
NUST Entry Test
Mathematics
$^{n}C_{r}+2^{n}C_{r-1}+^{n}C_{r-2}$=
NET
NUST Entry Test
Mathematics
If $^{r+2}C_{8}:^{r-2}C_{4}=57:16$ then r=
NET
NUST Entry Test
Mathematics
If $^{15}C_{r}:^{15}C_{r-1}=11:5$ then r=
NET
NUST Entry Test
Mathematics
$^{n}P_{r}+^{n}C_{r}$=
NET
NUST Entry Test
Mathematics
$^{n}C_{r}+^{n}C_{r-1}$=
NET
NUST Entry Test
Mathematics
If $^{n}C_{5}=^{n}C_{4}$, then n=
NET
NUST Entry Test
Mathematics
$^{n-1}C_{r}+^{n-1}C_{r-1}$=
NET
NUST Entry Test
Mathematics
If $^{n}C_{12}=^{n}C_{8}$ then n=
NET
NUST Entry Test
Mathematics
In how many ways can a party of seven persons arrange themselves around a circular table?
NET
NUST Entry Test
Mathematics
$\frac{16!}{5!}+\frac{16!}{5!}$=
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NUST Entry Test
Mathematics
In how many ways can 5 boys and 5 girls be seated in a circle, so that no two boys are together
NET
NUST Entry Test
Mathematics
How many words beginning with C and ending with Y can be formed from the letters of the word COURTESY?
NET
NUST Entry Test
Mathematics
If $^{n}P_{2}=30$, the value of n is
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NUST Entry Test
Mathematics
How many 5-digit multiples of 5 can be formed from the digits 2, 3, 5, 7, 9 when no digits repeat
NET
NUST Entry Test
Mathematics
How many arrangements of the letter of the word UNUSUAL can be made
NET
NUST Entry Test
Mathematics
In how many ways can a party of seven persons arrange themselves in a row of seven chairs?
NET
NUST Entry Test
Mathematics
There are twelve students in a class. In how many ways can the twelve students take three different tests if four students are to take each test?
NET
NUST Entry Test
Mathematics
How many arrangements of the letters of the word MATHEMATICS, taken altogethers, can be made
NET
NUST Entry Test
Mathematics
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